plural of disco ball

A suspended rotating mirrored sphere which casts moving spots of light across a room when light is projected on it.

(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.

(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.

Dated form of baseball. (ball game)

(sports, of an incident or foul) Occurring away from active play.

pinball (the game) / pinball (the ball)

(tennis) A machine that shoots tennis balls out of a pipe, allowing a player to practise hitting them.

plural of cue ball