Definition of cue in:
(v) :
(transitive) To signal (someone) to join a performance or to begin a task at a particular moment.
(v) :
(intransitive) To identify and understand signals, emotions, body language, subtext, etc.; to connect with someone.
(v) :
(transitive) To add elements (dialogue, music, special effects) to a specific spot in a script.
(v) :
Misspelling of clue in. [(informal) To inform or tell.]