n An action or event that is a signal for somebody to do something.
n (Latn-def|en|name|Q|q)
n (obsolete|UK|universities) A small portion of bread or beer; the quantity bought with a farthing or half farthing and noted with a q (for (etyl|la)(term|quadrans) farthing) in the buttery books.
v The act of giving someone a cue signal.
n (context|sports|billiards|snooker|pool) A straight taperingrod used to impel the balls in various games.
v (context|sports|billiards|snooker|pool) The act of taking aim on the cue ball with the cue and hitting it.