/ Dictionary / Index S syndesmectomy: Meaning and Definition of Find definitions for: syn•des•mec•to•my Pronunciation: (sin"dez-mek'tu-mē, -des-), [key] — pl. -mies. excision of part of a ligament. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. syndesis syndesmosis Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language