/ Dictionary / Index S steam locomotive: Meaning and Definition of Find definitions for: steam' locomo"tive Pronunciation: [key] a locomotive moved by steam power generated in its own boiler: still in commercial use in nations that have not yet converted entirely to diesel and electric locomotives. See table under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. steam jacket steam organ 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