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.

synonyms: noughts and crosses, tic-tac-toe, ticktacktoe, ticktacktoo, tit-tat-toe.

Dutch: kruisje-rondje, boter, kaas en eieren, boter-kaas-en-eieren
Polish: kółko i krzyżyk, gra w kółko i krzyżyk