The definition of a cue is a signal to a person to do something.(noun)
Cue is defined as a long handled rod with a tip that is used to shoot the ball when playing billiards.(noun)
An example of cue is what a person would use to hit a ball when playing pool.
See cue in Webster's New World College Dictionary
Origin: < q, Q, used in plays in 16th & 17th c. to indicate actors' entrances; prob. abbrev. of some L word (as quando, when, qualis, in what manner)
See cue in American Heritage Dictionary 4
Origin: Variant of queue.
Origin: Perhaps from q, qu, abbreviation of Latin quandō, when, used for actors' copies of plays; see kwo- in Indo-European roots.
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