Definition of obturator externus in English:

obturator externus

noun

Anatomy Zoology
  • A flat, fan-shaped muscle that covers the external surface of the obturator foramen, and serves to rotate the thigh laterally.

Origin

Early 17th century; earliest use found in Helkiah Crooke (1576–1648), physician and anatomist. From post-classical Latin obturator externus from obturator + externus outer.

Pronunciation

obturator externus

/ˈɒbtʃʊreɪtə ɛkˈstəːnəs//ˈɒbtjʊreɪtə ɛkˈstəːnəs/