/ Dictionary / Index S steam turbine: Meaning and Definition of Find definitions for: steam' tur"bine Pronunciation: [key] a turbine driven by steam pressure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. steamtight steamy Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language