Tic-tac-toe (American English), noughts and crosses (Commonwealth English), or Xs and Os (Canadian or Irish English) is a paper-and-pencil game for two players who take turns marking the spaces in a three-by-three grid with X or O.

tic, le ~ (m) (tic nerveux) quirk, the ~ Noun. twitch, the ~ Noun. nervous spasm, the ~ Noun. nervous tremor, the ~ Noun.