Definition of opisthotic in English:

opisthotic

Pronunciation /ˌɒpɪsˈθɒtɪk/ /ˌɒpɪsˈθəʊtɪk/

noun

Zoology Anatomy
  • One of the periotic bones, situated at the back of the ear, which in fishes, reptiles, and birds is separate or fused with one of the occipital bones, and in mammals is represented by an embryonic ossification of the temporal bone.

adjective

Zoology Anatomy
  • Designating or relating to the opisthotic.

Origin

Mid 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From opistho- + otic.