—n. - a last words of an actor's speech as a signal to another to enter or speak. B similar signal to a musician etc.

- a stimulus to perception etc. B signal for action. C hint on appropriate behaviour.

- cueing audio equipment (see sense 2 of v.). —v. (cues, cued, cueing or cuing) 1 give a cue to.

- put (audio equipment) in readiness to play a particular section. cue in 1 insert a cue for.

- give information to. On cue at the correct moment. [origin unknown]

- billiards etc. —n. Long rod for striking a ball. —v. (cues, cued, cueing or cuing) strike (a ball) with or use a cue. [var. Of *queue]