/ Dictionary / Index S steam coal: Meaning and Definition of Find definitions for: steam' coal" Pronunciation: [key] coal with relatively high sulfur content, suited for generating steam but not for coking. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. steam chest steam engine Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language