tictaccommon nounadjectiveSyllable DecompositiontictacEtymologyexpandfrom an onomatopoeia used to express a regular movement, accompanied by a certain noise; see tic and tac.Definition1. Sound of a mechanism.expandLe tictac d'une horloge. Le tictac d'un moulin.PluraltictacsTranslationsSee alsotic-tac (cn.)