Tic-tac-toe - Definition
tic-tac-toe
n 1: a game in which two players alternately put crosses and
circles in one of the compartments of a square grid of nine
spaces; the object is to get a row of three crosses or
three circles before the opponent does [syn: ticktacktoe,
ticktacktoo, tick-tack-toe, tic-tac-toe, tit-tat-
toe, noughts and crosses]