/ Dictionary / Index S sternal: Meaning and Definition of Find definitions for: ster•nal Pronunciation: (stûr'nl), [key] — adj. of or pertaining to the sternum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sternal (Thesaurus) stern Sternberg Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language