ˈbilyə(r)dz, ˈbiy- noun plural but usually singular in construction
Etymology: Middle French billard curved stick used in certain games, billiard cue, billiards, from bille log — more at billet
: any of several games played on an oblong table in which small balls are driven against one another or into pockets by means of a cue ; specifically : a game in which one scores by causing a cue ball to hit in succession two object balls — see carom billiards , pool 2b