He struck the white ball with his cue.
Pick up a billiard cue.
cue (signal); cue (music/theatre)
A signal for an actor, musician, or technician to begin an action. Used in performance and broadcasting contexts.
The stage manager gives the cue.
The director gave the actor his cue.
She held her cue and waited for the right moment to shoot.
When the music cue came in, the dancers started moving.
As a long, cylindrical stick, a cue is counted with 本, e.g. キュー一本 for one cue stick.
end of a queue; tail of a queue
input queue
cue card
cue ball
job queue
Borrowed from English 'cue'.