/ Dictionary / Index S sternson: Meaning and Definition of Find definitions for: stern•son Pronunciation: (stûrn'sun), [key] — n. a knee in a timber-framed vessel, reinforcing the angle between the keelson and the sternpost. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stern sheets sternum Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language