At the right moment (2,3)
'at the right moment' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for on cue that I've seen before include "you can find chalk here" , "When expected" , "As a snooker player might be" , "Pat" , "At the correct moment, like actor prompted to speak" .)
'at the right moment' is the definition.
(I've seen this before)
This is the entire clue.
(Another definition for oncue that I've seen is " at the right moment".)