Source : Webster's Revised Unabridged Dictionary (1913)

Barroom \Bar"room`\, n.
   A room containing a bar or counter at which liquors are sold.

Source : WordNet®

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