tic-tac-toe
US /ˌtɪk.tækˈtoʊ/
UK /ˌtɪk.tækˈtoʊ/

1.
jogo da velha
a game for two players, X and O, who take turns marking the spaces in a 3x3 grid. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row wins the game.
:
•
Let's play a game of tic-tac-toe.
Vamos jogar uma partida de jogo da velha.
•
She taught her little brother how to play tic-tac-toe.
Ela ensinou seu irmãozinho a jogar jogo da velha.