/ Dictionary / Index S steelhead: Meaning and Definition of Find definitions for: steel•head Pronunciation: (stēl'hed"), [key] — pl. -heads, -head. a silvery rainbow trout that migrates to the sea before returning to fresh water to spawn. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. steel guitar steelie Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language