1) Below 2) Down 3) Downstair 4) Downwards 1) British slang for hell 2) Down the stairs 3) Downstair 4) Ground-floor 5) On a floor below 6) On a lower floor 7) On or to a lower floor 8) Slang for the genital region 9) To or on a lower floor 10) Under 
The lower portion of the board, usually in reference to the 19s in a game of x01.
• (adv.) Down the stairs; to a lower floor. • (a.) Below stairs; as, a downstairs room.
Down'stairs adverb Down the stairs; to a lower floor. -- adjective Below stairs; as, a downstairs room. 
Downstairs is slang for the genital region.
[adj] - on or of lower floors of a building 2. [adv] - on a floor below
downstair adjective on or of lower floors of a building; `the downstairs (or downstair) phone`
down the stairs. · to or on a lower floor.