A-to-Z Restaurant Glossary: Essential Terms Every Operator Needs

A practical, plain-English glossary of restaurant and kitchen terms, from front-of-house lingo to back-office metrics, built for today's operators.

Why a shared vocabulary matters

The restaurant industry enters 2026 under real cost pressure. 

The National Restaurant Association's 2026 State of the Restaurant Industry report projects U.S. restaurant and foodservice sales will hit $1.55 trillion this year, even as operators face a cooling labor market, rising food costs, and — for nearly 6 in 10 last year — softer customer traffic.

That pressure makes precision non-negotiable, and precision starts with shared vocabulary. A kitchen that agrees on "FIFO" or "fire" moves faster during a rush. A manager who can define COGS or RevPASH holds a sharper conversation with a lender or POS vendor. 

And as scheduling, forecasting, and ordering get automated, knowing the underlying terms is what lets managers actually judge the tools being pitched to them.

How to use this glossary

Terms are grouped alphabetically and tagged by area of the business so you can scan for what's relevant to your role.

A

• 86 — Kitchen shorthand for removing an item from availability, typically because it has sold out or been pulled from a seasonal menu.
• Adam and Eve on a Raft — A U.S. diner term for an order of two eggs (poached or scrambled) served on toast.
• A La Carte — Menu items a guest orders and pays for individually, rather than as part of a set meal.
• All Day — The running total of a specific dish needed across all open orders, used by kitchen staff to plan prep — e.g., "Five pepperoni pizzas all day."
• Au Gratin — A dish topped with breadcrumbs and cheese, then baked until browned.
• Average Basket Size — The average dollar value of a single order, most often tracked for delivery and off-premises sales to inform menu pricing and promotions.

B

• Back of House (BOH) — The kitchen, dishwashing, and prep areas where cooking and food production happen, distinct from guest-facing space.
• Bain-Marie — A water-bath cooking method that warms delicate food gently to prevent curdling or overcooking.
• Bev Nap — The small square napkin placed under a drink instead of a coaster.
• Blanch — Briefly boiling food, then shocking it in ice water to halt cooking and preserve color and texture.
• Blue-Plate Special — A discounted, rotating daily menu item, historically associated with diners and cafés.
• Brigade System — The classic kitchen hierarchy, from executive chef down to commis, that assigns each station a defined role so orders move efficiently under pressure. Many modern kitchens adapt a flattened version of this structure to fit smaller teams.
• Butterfly — Slicing meat almost in half and opening it flat, without fully separating the pieces, to promote even cooking.

C

• Caramelize — Cooking sugar (or sugar-containing food) until it browns and develops a deep, sweet flavor.
• Chef de Cuisine — The chef who runs day-to-day kitchen operations, overseeing prep, execution, and quality control before food leaves the pass.
• Chef de Partie — A station chef early in their career, typically responsible for one section of the kitchen (sauté, grill, pantry) before advancing toward a sous chef role.
• Commissary Kitchen — A licensed commercial kitchen space rented by multiple food businesses, often used by caterers, food trucks, and delivery-only brands that need equipment and storage without a standalone lease.
• Comp — Providing an item or meal free of charge, most commonly to resolve a service issue.
• Confit — Slow-cooking meat (traditionally duck) submerged in its own fat at low temperature.
• Cooked to Order — A dish prepared to match a specific guest request (temperature, doneness, substitutions) rather than pre-made.
• Cost of Goods Sold (COGS) — The direct cost of the ingredients used to produce a menu item, typically expressed as a percentage of revenue. Rising COGS without a corresponding menu price adjustment is one of the fastest ways margin erodes without operators noticing until the numbers catch up, which is why many operators now review it weekly rather than monthly.

D

• Double — Working two consecutive shifts back-to-back in a single day.
• Dredge — Coating raw protein in flour or breadcrumbs before pan-frying.
• Drop — An instruction to begin cooking a side or accompaniment — e.g., "Drop the fries."
• Dupe — The ticket or order information passed from front-of-house staff to the kitchen so cooks know exactly what to prepare.

E

• Early Bird Special — A discounted menu offered during a limited early-evening window to drive traffic during a traditionally slower period.
• Emulsify — Combining two liquids that don't naturally mix (like oil and vinegar) into a stable blend, often with the help of an emulsifier such as egg yolk.
• Expeditor — The team member who coordinates finished dishes leaving the kitchen, checking accuracy and timing before food reaches the server or runner.

F

• FIFO (First In, First Out) — An inventory rotation method that ensures older stock is used before newer stock, reducing spoilage and food cost losses.
• Fillet — Removing bones from a cut of meat or fish, or slicing it into a thin, boneless piece.
• Fire — The kitchen command to begin actively cooking a specific order.
• Flash — Briefly returning an undercooked item to high heat to finish cooking it quickly.
• Fold — Gently combining a light and a heavier ingredient (such as whipped egg whites into batter) without deflating the mixture.
• Frenching — Trimming meat away from the bone end of a chop or rack for a cleaner presentation.
• Front of House (FOH) — The guest-facing side of the operation, including servers, hosts, bussers, and bartenders.

G

• Garde Manger — The cold kitchen station responsible for salads, cold appetizers, and plated desserts.
• Ghost Kitchen — A delivery-only commercial kitchen with no dine-in storefront, typically positioned in high-demand delivery zones to serve one or more brands. 

Ghost kitchens have become a core part of off-premises growth strategy; see this ghost kitchen overview for how operators evaluate the model.

• Glaze — Coating food in a liquid to add shine, flavor, and moisture retention.

• Gueridon Service — Tableside preparation performed from a cart (gueridon) in front of the guest.

H

• HACCP (Hazard Analysis Critical Control Point) — A food safety management system, recognized by the FDA, that identifies and controls biological, chemical, and physical hazards at every stage from receiving to service. 

Most jurisdictions require a certified person-in-charge on every shift, commonly through a program like ServSafe. See our breakdown of food handler certification requirements for what that looks like in practice. 

• Hockey Puck — Slang for a hamburger cooked well-done.
• Hull — Removing the stem and leaves from a strawberry or similar fruit.

I

• In the Weeds — Being overwhelmed by order volume or guest demand, used across both front- and back-of-house.

J

• Julienne — Cutting food, typically vegetables, into thin, matchstick-sized strips.
• Jumpin' — Slang describing a restaurant that is unusually busy.

K

• Kitchen Display System (KDS) — A digital screen that replaces paper tickets, routing orders from the POS directly to kitchen stations in real time, now standard in most restaurants that handle both dine-in and delivery volume.
• Kitchen Layout Optimization — Designing station placement and workflow to minimize wasted motion and speed up ticket times, particularly important for operations running multiple delivery brands out of one space. See our guide to commercial kitchen layouts for the tradeoffs between common configurations. 

L

• Leaven — Adding a rising agent, such as yeast or baking powder, to dough so it expands before or during baking.

M

• Macerate — Softening fruit by letting it sit in liquid and sugar.
• Mise en Place — French for "everything in its place", the practice of prepping and organizing all ingredients and tools before service begins.
• Monkey Dish — A small side dish used for condiments, nuts, or discarded bones.
• Mull — Steeping a beverage with spices or fruit to infuse flavor.

N

• Nutritional Information — Disclosed calorie, allergen, and ingredient data for menu items, increasingly expected by guests and, in many jurisdictions, required by law for chain restaurants.

O

• Off-Premise — Any order consumed outside the restaurant, including delivery, takeout, and curbside pickup, now a permanent, and for many brands primary, revenue channel. See our guide to managing off-premises demand for how leading operators plan around it. 
• Overhead — The indirect costs of running a restaurant beyond ingredients, including labor, utilities, rent, and shipping.

P

• Poach — Cooking food gently in liquid kept below a simmer.
• Pump It Out — Preparing and plating food at a fast, sustained pace during high-volume periods.
• POS (Point of Sale) — The system and moment where a transaction is completed; modern POS platforms also capture the sales, inventory, and customer data that feed most restaurant analytics programs.

Q

• QSR (Quick Service Restaurant) — A fast-food format built around speed and a limited or streamlined menu.

R

• Reconstitute — Rehydrating a dehydrated ingredient, usually with water.
• Render — Slowly cooking fat out of meat over low heat.
• RevPASH (Revenue Per Available Seat Hour) — A performance metric that blends occupancy and spend into a single, comparable figure across shifts and days, useful for spotting underperforming time slots that raw revenue totals can hide. See our guide to restaurant analytics and KPIs for how it fits alongside other metrics. 
• Rollup — Utensils pre-rolled into a napkin for quick table setting.
• Roux — A cooked fat-and-flour base used to thicken sauces and soups.
• Runner — Staff responsible for delivering finished dishes from the kitchen to the correct table.

S

• Saucier — The station chef responsible for sautéed items and sauces.
• Score — Making shallow cuts in food's surface, often to help it cook evenly or absorb marinade.
• Shelf Life — The length of time an ingredient remains usable before quality declines or spoilage begins.
• Sidework — Recurring front-of-house maintenance tasks, restocking, polishing silverware, refilling condiments, done between guest interactions.
• Sommelier — A wine specialist who advises guests on pairings and manages the wine program.
• SOS — Shorthand for "sauce on the side."
• Stretch It — Making a limited quantity of an ingredient last through service when supply runs short.

T

• Table d'Hôte — A fixed-price, multi-course set menu.
• Table Turns — The number of times a table is seated, served, and cleared within a single shift — a core efficiency metric for full-service restaurants.
• Tare — The weight of a container, subtracted from a gross weight to calculate accurate product weight.
• Tempering — Gradually raising the temperature of a cold ingredient by slowly introducing hot liquid, preventing it from cooking too fast or curdling.
• Third-Party Delivery Commission — The percentage fee a delivery marketplace (such as DoorDash or Uber Eats) charges per order, a major line item operators weigh when deciding how much off-premises volume to route through marketplaces versus owned channels. Compare options in our guide to food delivery services. 
• Tourné — Cutting a vegetable into a small, tapered, football-like shape for classic plated presentation.
• Truss — Tying poultry limbs with string to help it hold its shape during cooking.
• Turn and Burn — Rapidly turning over tables to accommodate a long waitlist.
• Top — The number of guests in a dining party, a "seven top" is a table of seven.

U

• Ultra-Pasteurization — Briefly heating milk to roughly 280°F to eliminate nearly all bacteria and extend shelf life well beyond standard pasteurization.
• Unleavened — Bread or dough made without any rising agent.

V

• Vegan Options — Menu items formulated without animal products, an area of continued menu expansion as more guests request plant-based choices.
• Virtual Brand — A delivery-only restaurant concept, often produced from an existing kitchen's equipment and staff, marketed exclusively through delivery apps without its own physical storefront. See our comparison of ghost kitchens vs. virtual kitchens for how the two models differ. 

W

• Waste Reduction — Operational practices aimed at cutting the volume of food, packaging, and other resources thrown away. 

The stakes are real: ReFED's 2026 U.S. Food Waste Report found that surplus food still totals roughly 70 million tons a year in the U.S., about 29% of the food supply, even after the first year-over-year decline since the pandemic.

• Well Drinks — Standard-pour cocktails made with a bar's house liquor brands rather than a named premium spirit.

X

• Xanthan Gum — A fermentation-derived food additive used to thicken sauces, dressings, and gluten-free baked goods.
• Xylitol — A naturally occurring sugar alcohol used as a low-calorie sugar substitute in sugar-free products.

Y

• Yield — The usable quantity of a product remaining after trimming, cooking, or processing.

Z

• Zero Waste — An operating philosophy aimed at eliminating landfill-bound waste by redesigning how resources are sourced, used, and recovered. Read more in this guide to eliminating food waste.
• Zest — Grating the outer peel of a citrus fruit to add aromatic flavor to a dish.

Ready to put this vocabulary to work?

Understanding the language of the industry is only the first step, applying it to real operating decisions is what protects margin. 

CloudKitchens gives restaurants and delivery brands an optimized kitchen and the operational visibility to turn day-to-day terminology into better decisions on cost, staffing, and off-premises growth. 

View locations and see how CloudKitchens can support your next move.

Explore ghost kitchen locations across the US:

• Ghost kitchens in San Francisco
• Ghost kitchens in LA
• Ghost kitchens in NYC
• Ghost Kitchens in Toronto
• Ghost Kitchens in Atlanta
• Ghost Kitchens in Dallas
• Ghost Kitchens in Chicago
• Ghost Kitchens in Denver
• Ghost Kitchens in Miami

Sources:

https://restaurant.eatapp.co/blog/the-a-to-z-guide-to-restaurant-lingo
https://blog.etundra.com/food-service/glossary-restaurant-lingo/ 
https://www.lightspeedhq.com/blog/kitchen-brigade/
https://restaurant.opentable.co.uk/resources/restaurant-industry-terms/ 
https://pos.toasttab.com/blog/on-the-line/culinary-terms