the mind > attention and judgement > judgement or decision > settlement of dispute, arbitration > [noun] > that which decides (3)
transferred. Something which serves to decide or settle a matter.
(slang): (a) a single toss used to decide an issue; hence in Tennis, a game played to break a tie; also in general sporting use (usually attributive…
A person who or (occasionally) thing which adjudicates; a judge.