It is a term that, in Latin, means it is silent. Adopted by music theory meaning that an instrument doesn't play a large section in a song, or it doesn't play the song at all.
by The person your mom warned you about back in kindergarden May 13, 2007
A percussion instrument usually made of wood but sometimes constructed of aluminum. The tacet has many different variations and is usually played by gnashing the teeth together onto a leather strap which in turn, makes the noise that is it signature. Also spelled tacit, though only in European countries.
by ernie4583 July 29, 2005