1. A game in which two players alternately put crosses and circles in one of the compartments of a square grid of nine spaces; the object is to get a row of three crosses or three circles before the opponent does
   "Children often play tic-tac-toe to pass the time";
   - ticktacktoe [N. Amer], ticktacktoo [N. Amer], tick-tack-toe [N. Amer], tit-tat-toe, noughts and crosses [Brit]

Derived forms: tic-tac-toes

Type of: board game

Encyclopedia: Tic-tac-toe