tic-tac-toe, tick-tack-toe /ˌtɪk tæk ˈtəʊ $ -ˈtoʊ/ noun [uncountableU] American EnglishAmE a children’s game in which two players draw X’s or O’s in a pattern of nine squares, trying to get three in a row 圈叉游戏〔两人轮流在井字格中画X或O,首先将三个X或O连成一线者获胜〕 SYN British English noughts and crosses