cue

Concise Oxford English Dictionary © 2008 Oxford University Press:
cue1

▶noun

• 1 a signal to an actor or other performer to enter or to begin their speech or performance.

  ■ a signal or prompt for action.

• 2 Psychology a feature of something perceived that is used in the brain's interpretation of the perception.

• 3 a facility for playing through an audio or video recording very rapidly until a desired starting point is reached.

▶verb (cues, cueing or cuing, cued)

• 1 give a cue to or for.

  ■ act as a prompt or reminder.

• 2 set a piece of audio or video equipment in readiness to play (a particular part of a recording).

– phrases
on cue at the correct moment.

– origin C16: of unknown origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
cue2

▶noun a long tapering wooden rod for striking the ball in snooker, billiards, etc. ▶verb (cues, cueing or cuing, cued) use a cue to strike the ball.

– derivatives
cueist noun (rare).

– origin C18 (denoting a long plait or pigtail): var. of queue.