Definition of didactyl in US English:

didactyl

(also didactyle)

adjective

Zoology
  • Having two fingers, toes, claws, or finger-like parts.

Origin

Early 19th century; earliest use found in George Shaw (1751–1813), natural historian. From di- + -dactyl, after French didactyle and its etymon post-classical Latin didactylus.

Pronunciation

didactyl

/dʌɪˈdakt(ɪ)l/