○×ゲームMeanings1nountic-tac-toeCommon name for the game of tic-tac-toe in Japanese. Also referred to as 三目並べ (さんもくならべ).See also: 三目並べ子こ供どもたちは休やすみ時じ間かんに○×ゲームをして遊あそんだ。The children played tic-tac-toe during recess.