/ Dictionary / Index S silencer: Meaning and Definition of Find definitions for: si•lenc•er Pronunciation: (sī'lun-sur), [key] — n. a person or thing that silences. a device for deadening the report of a firearm. the muffler on an internal-combustion engine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: silencer (Thesaurus) silence Silenos Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language