Definition of orthochoanite in English:

orthochoanite

noun

rare
  • Usually in plural A nautiloid cephalopod having a straight, very short septal neck; (also) a member of the obsolete cephalopod suborder Orthochoanites, of which such necks were characteristic.

Origin

Early 20th century. From scientific Latin Orthochoanites, suborder name from ancient Greek ὀρθο- ortho- + χοάνη funnel + -ίτης -ite. Compare choanite.

Pronunciation

orthochoanite

/ˌɔːθəʊˈkəʊənʌɪt/