definition tacet
Definition of 'tacet'. Word Frequency. tacet (ËteÉªsÉt , ËtÃ¦s-) verb. (intransitive) (on a musical score) a direction indicating that a particular instrument or singer does not take part in a movement or part of a movement. Word origin of 'tacet'. C18: from Latin: it is silent, from tacÄre to be quiet.