Definition of pentadactylous in English:

pentadactylous

adjective

Zoology
  • Having five fingers or toes on each limb; pentadactyl.

Origin

Early 18th century; earliest use found in Philosophical Transactions of the Royal Society of London. From ancient Greek πενταδάκτυλος five-fingered or toed, five-pointed, also as noun denoting cinquefoil (from πεντα- + δάκτυλος) + -ous.

Pronunciation

pentadactylous

/ˌpɛntəˈdaktɪləs//ˌpɛntəˈdakt(ə)ləs/