/ Dictionary / Index S syssarcosis: Meaning and Definition of Find definitions for: sys•sar•co•sis Pronunciation: (sis"är-kō'sis), [key] — pl. -ses the joining or attachment of bones by means of muscle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sysop syst. Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language