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lunchroom

American  
[luhnch-room, -room] / ˈlʌntʃˌrum, -ˌrʊm /

noun

  1. a room, as in a school, where light meals or snacks can be bought or where food brought from home may be eaten.

  2. a luncheonette.

lunchroom British  
/ ˈlʌntʃˌruːm, -ˌrʊm /

noun

  1. a room where lunch is served or where students, employees, etc, may eat lunches they bring

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of lunchroom

First recorded in 1815–25; lunch + room

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

We were mostly in this large conference room, like a church lunchroom, with tons of long tables in the middle, with these little semiprivate consult rooms off to the side.

From Slate • Feb. 2, 2026

So if I cut class and I’m in the lunchroom, I’m writing lyrics.

From Los Angeles Times • Nov. 3, 2024

He was in the lunchroom near Corley’s office.

From Salon • Sep. 19, 2024

At Mankato West High School, years before he joined the political scene, a young Mr Walz taught geography and social studies, supervised the lunchroom and coached the football team.

From BBC • Aug. 8, 2024

Not another word about the play was said until lunch, when the long lunchroom table burst into a flurry of excitement.

From "George" by Alex Gino

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.