/ Dictionary / Index S smelt: Meaning and Definition of Find definitions for: smelt Pronunciation: (smelt), [key] — v.t. to fuse or melt (ore) in order to separate the metal contained. to obtain or refine (metal) in this way. smelt Pronunciation: (smelt), [key] — pl. smelt, smelts. any of various small, silvery food fishes of the family Osmeridae, of cold northern waters, as the North American rainbow smelt, Osmerus mordax. any of several superficially similar but unrelated fishes, esp. certain silversides, of California. smelt Pronunciation: (smelt), [key] — v. a pt. and pp. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: smelt (Thesaurus) smelly smelter 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