|tikˌtak|tō noun
also tick·tack·too -ak|tü ; or tic-tac-toe -ak|tō ; also tit-tat-toe |ti(t)ˌta-
( -s )
Etymology: from tic-tac-toe game formerly played in which the players with the eyes shut brought a pencil down on a slate marked with numbers and scored the number hit, from tictac + toe
: a game in which two players alternately put crosses and ciphers in compartments of a figure formed by two vertical lines crossing two horizontal lines and try to get a row of three crosses or three ciphers before the opponent does — called also noughts-and-crosses