Variant: or tick-tack-toe
Pronunciation: ˌ tik- ˌ tak- ' t ō
Function: noun
Etymology: tic-tac-toe, former game in which players with eyes shut brought a pencil down on a slate marked with numbers and scored the number hit
Date: circa 1866
: a game in which two players alternately put Xs and Os in compartments of a figure formed by two vertical lines crossing two horizontal lines and each tries to get a row of three Xs or three Os before the opponent does