tic-tac-toe
noun [ U ] US (also tick-tack-toe) uk/ˌtɪk.tækˈtəʊ/ us/ˌtɪk.tækˈtoʊ/ (UK noughts and crosses)
井字游戏，「连城」游戏（二人轮流在一个井字方格中画X和O，先列成一行者得胜）
a game played on a piece of paper in which two players write either O or X in a pattern of nine squares. It is won by the first player who places three Os or three Xs in a straight line.