'lunchroom' definitions:

Definition of 'lunchroom'

From: WordNet
noun
A restaurant (in a facility) where lunch can be purchased

Definition of 'lunchroom'

From: GCIDE
  • lunchroom \lunchroom\ n. a dining room (in a school, business, or other non-domestic facility) where lunch can be purchased. [WordNet 1.5]

Synonyms of 'lunchroom'

From: Moby Thesaurus