['kar?m]
chiefly N. Amer.
¦ noun
1. a cannon shot in billiards or pool.
2. (also carom billiards) a game resembling billiards and depending on cannon shots for scoring.
¦ verb make a carom.
Origin
C18: abbrev. of carambole, from Sp. carambola, appar. from bola 'ball'.