plural of ball bearing

(engineering) A bearing assembly which uses spherical bearing balls as the rolling elements.

(sports, billiards, snooker, pool) A ball that is in the jaws of a pocket

(sports, billiards, snooker, pool) Describes a shot where the cue ball and the object ball make contact at a natural 45º angle.

(sports, snooker) The ball that will take the player's score past the theoretical winning point, even though the frame is not finished and there are still some balls remaining on the table.

(basketball) A thrown ball that misses the basket, and completely fails to touch the net or supporting hoop. / (by extension) Any ball-like object that widely misses its intended target when thrown.

(Australian rules football) The action of a player keeping hold of the ball when tackled. When tackled the player must kick or handpass the ball and failing to do so (provided the opportunity was given) results in a free kick to the tackler.

(historical) A muzzle-loading bullet with a hollow base, much used in the second half of the nineteenth century.

(US, vulgar) Ball-breaker.

Alternative form of freeball