Definition of "cue"
An action or event that is a signal for somebody to do something.
The name of the Latin script letter Q/q.
A small portion of bread or beer; the quantity bought with a farthing or half farthing and noted with a q (for Latin quadrans farthing) in the buttery books.
A straight tapering rod used to impel the balls in various games.
The act of giving someone a cue signal.
The act of taking aim on the cue ball with the cue and hitting it.