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
Origintic-tac-toe
(1900-2000)tic-tac-toe“game played by hitting a pencil sharply against numbered squares”((1800-1900)); from the sound of play