/ Dictionary / Index S Sterno: Meaning and Definition of Find definitions for: Sterno Pronunciation: (stûr'nō), [key] flammable hydrocarbon jelly packaged in a small can for use as a portable heat source for cooking. sterno- Pronunciation: [key] a combining form representingin compound words: sternocostal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sternmost sternocleidomastoid 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