Definition of polydactylous in English:

polydactylous

Pronunciation /ˌpɒlɪˈdaktɪləs/ /ˌpɒlɪˈdakt(ə)ləs/

adjective

Zoology Medicine
  • Polydactyl.

Origin

Mid 19th century; earliest use found in Robert Mayne (1808–1868). From poly- + -dactylous.