Source : Webster's Revised Unabridged Dictionary (1913)

Taproom \Tap"room`\, n.
   A room where liquors are kept on tap; a barroom.

         The ambassador was put one night into a miserable
         taproom, full of soldiers smoking.       --Macaulay.

Source : WordNet®

taproom
     n : a room or establishment where alcoholic drinks are served
         over a counter; "he drowned his sorrows in whiskey at the
         bar" [syn: {barroom}, {bar}, {saloon}, {ginmill}]