/ Dictionary / Index S silverback: Meaning and Definition of Find definitions for: sil•ver•back Pronunciation: (sil'vur-bak"), [key] — n. an older male gorilla, usually the leader of a troop, whose hairs along the back turn gray with age. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: silverback (Thesaurus) silver age silver bass Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language