tic-tac-toe /ˌtɪkˌtækˈto/
一字棋
tic-tac-toe
n : a game in which two players alternately put crosses and
circles in one of the compartments of a 3-by-3 board; the
object is to get a row of three crosses or three circles
before the opponent does [syn: ticktacktoe, ticktacktoo,
tick-tack-toe, tit-tat-toe, noughts and crosses]