Syndactyl \Syn*dac"tyl\, Syndactyle \Syn*dac"tyle\, a. [Syn- + Gr. ? finger, toe.] (Zo["o]l. & Med.) Having two or more digits wholly or partly united. See {Syndactylism}. Syndactyle \Syn*dac"tyle\, n. [Pref. syn- + Gr. ? finger, toe: cf. F. syndactyle.] (Zo["o]l.) Any bird having syndactilous feet.