/ Dictionary / Index S syndactylus: Meaning and Definition of Find definitions for: syn•dac•ty•lus Pronunciation: (sin-dak'tu-lus), [key] — pl. -li a person having united or webbed fingers or toes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. syndactyl synderesis 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