Definition of supinatoextensor in English:

supinatoextensor

adjective

Anatomy Zoology
rare
  • Designating the supinator and extensor muscles of a limb collectively; of or relating to these muscles.

Origin

Late 19th century; earliest use found in George Murray Humphry (1820–1896), surgeon. From supinat- + -o- + extensor.

Pronunciation

supinatoextensor

/ˌs(j)uːpɪneɪtəʊɛkˈstɛnsə/