/ Dictionary / Index S steam iron: Meaning and Definition of Find definitions for: steam' i"ron Pronunciation: [key] an electric iron with a water chamber, which emits steam onto the fabric or garment being ironed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. steam heating steam jacket 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