A room in a house/hotel in which there is a billiard table.
Billiard-room Sentence Examples
In Bengal the rising began at Barrackpore, was communicated to Dacca in Eastern Bengal, and for a time raged in Behar, producing the memorable defence of the billiard-room at Arrah by a handful of civilians and Sikhs - one of the most splendid pieces of gallantry in the history of the British arms. Since 1858, when the country passed to the crown, the history of Bengal has been one of steady progress.
It was a combination of billiard room and workspace.