Liquor comes with its own language, and that language can get confusing fast. Between production terms, legal categories, aging vocabulary, spirit styles, bar language, and regional traditions, people often encounter dozens of liquor words without getting a clean explanation of what they mean. This glossary of liquor is designed to solve that problem in one place.
The goal here is not just to define random terms, but to create a useful reference point for readers interested in spirits, cocktails, alcohol culture, distilling, and the broader world of liquor. Some terms relate to how liquor is made. Others describe how it tastes, how it is aged, how it is served, or how it is classified. Together, they form the vocabulary of liquor.
Because this is meant to work as a search-friendly resource, the glossary includes foundational terms, category names, production language, tasting words, bar terms, and major international spirits. It is organized alphabetically for ease of use.
A
ABV
ABV stands for alcohol by volume. It measures the percentage of alcohol contained in a beverage. A spirit that is 40% ABV contains 40 percent pure alcohol by volume. This is one of the most common ways liquor strength is expressed.
Aguardiente
Aguardiente is a broad Spanish-language term meaning “burning water,” often used for strong distilled spirits. In different countries it can refer to different products, including sugarcane spirits or anise-flavored liquors.
Agave
Agave is a succulent plant used to make tequila, mezcal, and several other Mexican spirits. Different agave species produce different flavor profiles, and agave is central to many traditional spirits of Mexico.
Aging
Aging refers to the period in which liquor rests, often in wooden barrels, to develop flavor, aroma, color, and texture. Whiskey, rum, tequila, brandy, and other spirits can change dramatically through aging.
Alembic Still
An alembic still is a traditional pot still design, often made of copper, used in distillation. It is commonly associated with artisanal and older methods of spirit production.
Amaro
Amaro is an Italian herbal liqueur, usually bittersweet and consumed as a digestif. Different amaros can be light, dark, minty, citrusy, medicinal, or intensely bitter.
American Whiskey
American whiskey is a broad category that includes bourbon, rye whiskey, Tennessee whiskey, wheat whiskey, corn whiskey, and other styles made in the United States.
Angels’ Share
The angels’ share is the portion of liquor that evaporates from a barrel during aging. It is a standard term in whiskey, rum, brandy, and other barrel-aged spirits.
Anise
Anise is a licorice-like botanical used in spirits such as ouzo, sambuca, absinthe, arak, and some aguardientes.
Añejo
Añejo is a tequila classification for spirit aged longer than reposado. It usually indicates a richer, more oak-influenced tequila.
Aperitif
An aperitif is an alcoholic drink served before a meal to stimulate the appetite. Aperitifs are often lighter, bitter, herbal, or dry.
Appellation
An appellation is a legally defined geographic area associated with a product, often with rules about how it must be made. Cognac, tequila, Scotch whisky, and other spirits may be tied to appellation-like systems.
B
Back Bar
The back bar is the shelving area behind a bar where liquor bottles are displayed and stored.
Baijiu
Baijiu is a major Chinese distilled spirit, usually made from sorghum and known for strong aroma and regional variation. It is one of the most consumed spirits in the world.
Barrel
A barrel is a wooden container used to age spirits. Most are made from oak, and the barrel plays a major role in flavor, color, and aroma development.
Barrel Proof
Barrel proof means a spirit is bottled at the strength it had in the barrel, without being diluted to standard bottling proof.
Bartender
A bartender is the person who prepares and serves drinks. In liquor culture, bartenders also shape cocktail trends, educate consumers, and influence brand visibility.
Batch
A batch is a defined production lot of liquor. Small-batch spirits are often marketed as more limited or more carefully made, though the term has no universal legal meaning in all contexts.
Bitters
Bitters are concentrated flavoring agents made from herbs, roots, spices, fruit peels, and other botanicals infused in alcohol. They are used in cocktails for complexity and balance.
Blackstrap Rum
Blackstrap rum is a dark style of rum associated with molasses-heavy character and richer flavor.
Blanco
Blanco tequila is an unaged or minimally aged tequila that typically shows a more direct agave character.
Blend
A blend is a combination of different spirits, barrels, ages, or distillates to create a consistent final product.
Blended Scotch Whisky
Blended Scotch whisky combines one or more single malt Scotch whiskies with one or more single grain Scotch whiskies.
Bottled in Bond
Bottled in bond is a specific American whiskey designation under federal law. It generally means the whiskey was produced by one distiller in one season, aged at least four years, and bottled at 100 proof under government supervision.
Botanicals
Botanicals are plant ingredients used to flavor spirits, especially gin, amaro, liqueurs, and bitters. Common botanicals include juniper, coriander, citrus peel, cardamom, and angelica root.
Bourbon
Bourbon is an American whiskey made from a grain mash containing at least 51 percent corn and aged in new charred oak containers.
Brandy
Brandy is a distilled spirit made from wine or fermented fruit juice. Cognac and Armagnac are famous forms of brandy.
C
Cachaça
Cachaça is a Brazilian spirit made from fresh sugarcane juice. It is the national spirit of Brazil and the base for the caipirinha.
Cask
A cask is another term for a barrel used to age spirits.
Cask Finish
A cask finish refers to a spirit that is aged initially in one barrel type and then moved to another barrel for additional maturation. This is common in whiskey and rum.
Cask Strength
Cask strength means the spirit is bottled with little or no dilution after aging, usually resulting in a higher ABV.
Charring
Charring is the process of burning the inside of a barrel before aging spirit in it. This affects flavor, color, and chemical interaction between wood and liquor.
Chaser
A chaser is a drink consumed immediately after a shot of liquor, often to soften the burn or change the flavor experience.
Cocktail
A cocktail is a mixed drink containing spirits and other ingredients such as juice, bitters, vermouth, syrup, soda, or liqueur.
Column Still
A column still, also called a continuous still, is a distillation apparatus used for efficient large-scale production. It is common in vodka, light rum, and other mass-market spirits.
Congeners
Congeners are chemical compounds produced during fermentation and distillation that contribute flavor, aroma, and character to a spirit.
Cognac
Cognac is a type of French brandy produced in the Cognac region according to specific rules regarding grapes, distillation, and aging.
Cordials
Cordials are sweetened spirits or liqueurs, often flavored with fruit, herbs, cream, or spices.
Corn Whiskey
Corn whiskey is an American whiskey made primarily from corn. It differs from bourbon in production and aging requirements.
Craft Distillery
A craft distillery is a smaller-scale producer that usually emphasizes limited production, local identity, or artisanal methods.
D
Dash
A dash is a small measured amount, usually used for bitters or strong flavoring ingredients in cocktails.
Digestif
A digestif is an alcoholic drink served after a meal, often believed to aid digestion. Common digestifs include brandy, amaro, and herbal liqueurs.
Distillate
Distillate is the liquid produced during distillation before further aging, blending, or bottling.
Distillation
Distillation is the process of heating a fermented liquid to separate alcohol and other volatile compounds, then condensing the vapor into a stronger spirit.
Distiller
A distiller is the person or company responsible for producing distilled spirits.
Double Distillation
Double distillation means a spirit is distilled twice. This is common in some whiskey, brandy, and tequila traditions.
Dram
A dram is a small serving of spirits, especially whiskey.
Dry Gin
Dry gin is a style of gin with relatively low sweetness and a clear juniper-forward profile.
E
Eau-de-Vie
Eau-de-vie is a clear fruit brandy, often produced in France and other parts of Europe. It is typically unaged and highly aromatic.
Entry Proof
Entry proof is the alcohol strength at which a spirit enters the barrel for aging.
Extra Añejo
Extra añejo is a tequila category for spirit aged longer than añejo, resulting in deeper oak influence and a more mature profile.
Extraction
Extraction refers to the transfer of compounds from wood, botanicals, fruit, herbs, or spices into alcohol during aging or infusion.
F
Fermentation
Fermentation is the biological process by which yeast converts sugars into alcohol and carbon dioxide. It is the foundation of all distilled spirits.
Finish
Finish can refer to the aftertaste left on the palate after swallowing a spirit. It can also refer to secondary barrel aging, depending on context.
Flamed Orange Peel
A flamed orange peel is a cocktail garnish created by expressing citrus oils over a flame to add aroma and a slight burnt note.
Flavored Vodka
Flavored vodka is vodka infused or compounded with flavors such as citrus, vanilla, pepper, berry, or other ingredients.
Fortified Wine
Fortified wine is wine strengthened with distilled spirit. Examples include sherry, port, and vermouth, all of which matter in cocktail culture.
G
Genever
Genever is a juniper-flavored spirit from the Netherlands and Belgium. It is historically important as a predecessor to gin.
Gin
Gin is a distilled spirit flavored primarily with juniper and often supported by other botanicals.
Grain Neutral Spirit
A grain neutral spirit is a highly distilled alcohol made from grain with minimal flavor. It is often used as the base for vodka, gin, and liqueurs.
Grappa
Grappa is an Italian pomace brandy made from the skins, seeds, and stems left after winemaking.
H
Highball
A highball is a mixed drink made with a spirit and a larger proportion of a non-alcoholic mixer, usually served over ice in a tall glass.
Honey Liqueur
Honey liqueur is a sweetened spirit flavored heavily with honey.
House Pour
The house pour is the standard default brand of liquor served at a bar when a customer does not specify a label.
I
Infusion
Infusion is the process of soaking ingredients such as fruit, herbs, spices, or botanicals in alcohol to extract flavor.
Irish Whiskey
Irish whiskey is whiskey produced in Ireland under specific legal definitions. It is often associated with smoothness and triple distillation, though styles vary.
Islay Whisky
Islay whisky is Scotch whisky from the island of Islay, known especially for smoky and peaty styles.
J
Jigger
A jigger is a bar measuring tool used to pour precise amounts of liquor.
Juniper
Juniper is the defining botanical in gin, providing piney, resinous, and herbal notes.
K
Kirsch
Kirsch, or kirschwasser, is a clear cherry brandy.
Kosher Spirits
Kosher spirits are produced in accordance with Jewish dietary laws, depending on ingredients and certification.
L
Legs
Legs are the streaks that form on the inside of a glass after swirling a spirit. They are more visually noted in wine culture but also discussed with some liquors.
Liqueur
A liqueur is a sweetened and flavored distilled spirit. It can contain fruit, herbs, spices, nuts, cream, coffee, chocolate, and many other ingredients.
London Dry Gin
London Dry gin is a gin style made according to strict production standards, generally emphasizing juniper and dryness without post-distillation sweetening.
Low Wines
Low wines are the product of the first distillation in some traditional distilling systems, especially whiskey production.
M
Maceration
Maceration is the soaking of ingredients in liquid to extract flavor, aroma, or color. It is common in liqueur and botanical spirit production.
Mash
Mash is a mixture of grains or other fermentable ingredients combined with water and prepared for fermentation.
Mash Bill
Mash bill is the recipe of grains used in a whiskey. For example, a bourbon mash bill might include corn, rye, and malted barley.
Master Distiller
A master distiller is the lead figure responsible for overseeing distillation and production decisions at a distillery.
Mezcal
Mezcal is a Mexican agave spirit made from various agave species and often associated with smoky or earthy flavors.
Mixer
A mixer is a non-alcoholic ingredient added to liquor, such as tonic, soda, cola, ginger beer, or juice.
Moonshine
Moonshine traditionally refers to illegally produced, often unaged distilled spirits. It is now also used as a marketing term for legal white whiskey or rustic spirits.
N
Neat
Neat means served plain, with no ice, water, or mixer.
Neutral Spirit
A neutral spirit is highly distilled alcohol with minimal flavor or aroma, often used in vodka and as a base for gin or liqueurs.
Nosing
Nosing is the act of smelling a spirit carefully to assess aroma.
O
Oak
Oak is the wood most commonly used in barrels for aging spirits. It contributes tannin, spice, vanilla, toast, and structure.
Old Fashioned
An Old Fashioned is a classic cocktail made with whiskey, sugar, bitters, and citrus peel.
On the Rocks
On the rocks means served over ice.
Ouzo
Ouzo is a Greek anise-flavored spirit commonly served diluted with water or over ice.
Overproof
Overproof means bottled at a higher alcohol strength than standard spirits. In modern usage, it usually refers to very strong rum or other high-ABV liquor.
P
Peat
Peat is partially decayed plant matter used as fuel in some whisky-making traditions, especially in Scotland. It contributes smoky, earthy aromas.
Peated Whisky
Peated whisky is whisky that shows smoky character derived from peat exposure during malting.
Proof
Proof is another measure of alcohol strength. In the United States, proof is double the ABV. A spirit at 40% ABV is 80 proof.
Pot Still
A pot still is a traditional batch distillation apparatus used to produce flavorful spirits such as single malt Scotch, Irish pot still whiskey, cognac, and some rums.
Pisco
Pisco is a grape-based spirit associated with Peru and Chile.
Pomace Brandy
Pomace brandy is spirit made from grape skins, seeds, and stems left after winemaking. Grappa is a well-known example.
Premiumization
Premiumization is the market trend in which consumers shift toward more expensive, upscale, or prestige liquor products.
Q
Quinine
Quinine is a bitter compound historically associated with tonic water, especially in gin and tonic culture.
R
Rackhouse
A rackhouse is a warehouse where barrels of aging spirits are stored.
Rakia
Rakia is a fruit brandy popular in the Balkans and parts of Eastern Europe.
Reposado
Reposado is a tequila category for spirit aged longer than blanco but less than añejo.
Rhum Agricole
Rhum agricole is a style of rum made from fresh sugarcane juice rather than molasses, especially associated with French Caribbean regions.
Riff
In cocktail language, a riff is a variation on a known drink formula.
Rinse
A rinse is a small amount of liquor or liqueur swirled around a glass and discarded or left coating the inside to add aroma and subtle flavor.
Rye Whiskey
Rye whiskey is whiskey made from a mash bill with a legally defined minimum percentage of rye grain, depending on jurisdiction.
S
Sambuca
Sambuca is an Italian anise-flavored liqueur, often sweet and strong.
Scotch Whisky
Scotch whisky is whisky produced in Scotland under strict legal rules regarding ingredients, production, aging, and geography.
Shochu
Shochu is a Japanese distilled spirit that can be made from barley, sweet potato, rice, buckwheat, or other ingredients.
Shot
A shot is a small serving of straight liquor, often consumed quickly.
Single Barrel
Single barrel means the spirit comes from one individual barrel rather than being blended from many.
Single Malt
Single malt refers to whisky made from malted barley at one distillery, especially in Scotch whisky usage.
Sipping Spirit
A sipping spirit is a liquor meant to be consumed slowly on its own rather than mixed.
Small Batch
Small batch is a marketing term suggesting limited blending or production scale. It has no single universal legal definition in many markets.
Soju
Soju is a Korean distilled spirit, often lighter than many Western liquors and central to Korean drinking culture.
Solera
Solera is an aging system involving fractional blending of older and younger spirits or wines over time.
Sour
A sour is a cocktail family built around spirit, citrus, and sweetener.
Speyside Whisky
Speyside whisky is Scotch whisky from the Speyside region, often associated with fruitier and softer styles than heavily peated regions.
Straight Whiskey
Straight whiskey is an American whiskey classification with legal aging and production requirements.
T
Tail
The tail is the final part of the distillation run, containing heavier compounds that may be separated from the desirable middle cut.
Tennessee Whiskey
Tennessee whiskey is whiskey produced in Tennessee, typically meeting bourbon-style standards plus additional steps such as charcoal filtering.
Tequila
Tequila is a Mexican spirit made from blue Weber agave and produced under regulated regional rules.
Terroir
Terroir is the idea that geography, climate, soil, and environment shape a product’s character. It is increasingly discussed in spirits, especially agave spirits, whisky, rum, and brandy.
Tincture
A tincture is a concentrated alcohol-based flavor extract used in cocktails or liqueur making.
Top Shelf
Top shelf refers to premium or higher-status liquor, named after the tradition of placing more expensive bottles on the higher shelves behind a bar.
U
Underproof
Underproof refers to spirit bottled below a specific proof threshold, though the term is less common in everyday consumer language.
Unaged Spirit
An unaged spirit has not been matured in barrels long enough to develop the character associated with aged categories. Examples include blanco tequila, white rum, and some moonshine styles.
V
Vatting
Vatting is the blending of spirits from different casks into one larger vessel before bottling.
Vermouth
Vermouth is a fortified, aromatized wine flavored with botanicals. It is essential in many cocktails, including martinis and Manhattans.
Vodka
Vodka is a distilled spirit generally known for neutrality, though production methods and ingredients can create meaningful variation.
W
Warehouse
A warehouse in spirits production is the building where barrels are stored during aging.
Wash
Wash is the fermented liquid that is distilled to produce spirits.
Whiskey
Whiskey is a distilled spirit made from fermented grain mash and often aged in wood. Spelling varies by region, with whisky used in Scotland and whiskey common in Ireland and the United States.
Whisky
Whisky is the spelling typically used in Scotland, Canada, and Japan.
White Dog
White dog is unaged whiskey distillate before barrel maturation.
White Rum
White rum is a clear rum, usually lightly aged or filtered, often used in cocktails.
X
XO
XO stands for “extra old” and is used in categories such as cognac and some rum to indicate longer aging under category-specific rules.
Y
Yeast
Yeast is the microorganism responsible for fermentation, converting sugar into alcohol and carbon dioxide.
Young Spirit
A young spirit is one that has aged for a relatively short time or not at all.
Z
Zest
Zest is the colored outer peel of citrus fruit, often used in cocktails and infusions for aroma and flavor.
Zero Dosage
More common in sparkling wine than liquor, but occasionally used comparatively in alcohol discussions to indicate no added sweetening.
Major Liquor Categories in Simple Terms
For readers who want the shortest possible version after all that vocabulary, the main liquor categories are these:
Whiskey is grain-based and often aged in wood.
Vodka is usually neutral and highly mixable.
Rum comes from sugarcane products.
Gin is flavored mainly with juniper and other botanicals.
Tequila is made from blue Weber agave.
Mezcal is a broader agave spirit category.
Brandy is distilled from wine or fruit.
Liqueurs are sweetened and flavored spirits.
Soju, baijiu, shochu, pisco, cachaça, ouzo, arak, and rakia are major regional spirits with strong local identities.