'dining room' definitions:

Definition of 'dining room'

From: WordNet
noun
A room used for dining [syn: dining room, dining-room]

Definition of 'dining room'

From: GCIDE
  • diningroom \diningroom\, dining room \dining room\n. a room used for dining. In a residence, it usually contains a dining table and some furniture, such as a buffet or sideboard, for storing tableware and dining utensils. [WordNet 1.5]

Synonyms of 'dining room'

From: Moby Thesaurus