Signal to begin (3)
I believe the answer is:
cue
(Other definitions for cue that I've seen before include "A snooker ball striker" , "Actor's words" , "Potter" , "Actor's signal" , "Tapering stick used by snooker player" .)
I believe the answer is:
cue
(Other definitions for cue that I've seen before include "A snooker ball striker" , "Actor's words" , "Potter" , "Actor's signal" , "Tapering stick used by snooker player" .)