downstair
AdjectiveSynonyms:
downstairs
WordNet 3.0
Adjective (1)
- on or of lower floors of a building“the downstairs (or downstair) phone”Synonyms: downstairs
Webster's Dictionary (GCIDE)
downstair \downstair\, downstairs \downstairs\adj. on or of the lower floors of a building, especially the ground floor; as, the downstairs (or downstair phone; the house has no downstairs bathroom. Opposite of upstairs. [WordNet 1.5]