billiard adj : of or relating to billiards; "a billiard ball"; "a billiard cue"; "a billiard table"
- Pertaining to the game of billiards.
Billiard or billiards (as a noun, adjective or verb) may refer to:
- A , a type of shot in cue sports (such as pool, carom billiards and snooker)
- A dynamical billiard, any of several systems of particle trajectories within a closed reflective boundary, in theoretical physics (contrast this count noun with the mass noun "dynamical billiards", below)
- Billiard, the (chiefly French) long-scale name for the number 1015 in mathematics (called "quadrillion" in short scale)
Billiards (as a noun or adjective) may refer to:
- Cue sports in general, including pool, carom billiards, snooker, etc.
- Carom billiards (also known as French billiards) games in general (a chiefly non-British usage, in the US, the British Commonwealth, etc., but rarely in England itself)
- The specific game of English billiards (a chiefly British usage)
- Pocket billiards (pool) games (such as eight-ball, nine-ball and snooker) in general (a chiefly colloquial American usage)
- Italian billiards or five-pins
- Russian billiards or Russian pyramid
- Artistic billiards
- Dynamical billiards, the mathematical theory of particle trajectories within a closed reflective boundary, in theoretical physics (contrast this mass noun with the count noun "dynamical billiard", above)
- Nicolas billiards, an obscure French board game invented in 1895, and of no relation to the games above (see its French article for an illustration)
- Indian (or Nepalese) finger billiards, the board game better known as carrom.
- Electric billiards, and obscure term for pinball (from the French billard électrique, who today call pinball flipper, a borrowing from English)
billiard in French: Billard
billiard in Russian: Биллиард