'Billiard' definitions:

Definition of 'billiard'

From: WordNet
adjective
Of or relating to billiards; "a billiard ball"; "a billiard cue"; "a billiard table"

Definition of 'Billiard'

From: GCIDE
  • Billiard \Bil"liard\, a. Of or pertaining to the game of billiards. "Smooth as is a billiard ball." --B. Jonson. [1913 Webster]