Definition of orthochoanitic in English:

orthochoanitic

adjective

rare
  • Having a straight, very short septal neck; (also) relating to or characteristic of the former suborder Orthochoanites of nautiloid cephalopods.

Origin

Early 20th century. From scientific Latin Orthochoanites + -ic.

Pronunciation

orthochoanitic

/ˌɔːθəʊkəʊəˈnɪtɪk/