[tah-ket, tas-it, tey-sit]
verb (imperative) Music.
be silent (directing an instrument or voice not to play or sing).
Origin of tacet
1715–25; < Latin: literally, (it) is silent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(intr) (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 for tacet
C18: from Latin: it is silent, from tacēre to be quiet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
1724, from Latin tacet "is silent," from tacere (see tacit).
Online Etymology Dictionary, © 2010 Douglas Harper