Definition of perennibranch in English:

perennibranch

noun

Zoology
rare
  • = perennibranchiate.

adjective

Zoology
rare
  • = perennibranchiate.

Origin

Late 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From classical Latin perennis + -branch, after earlier perennibranchiate [noun].

Pronunciation

perennibranch

/pəˈrɛnɪbraŋk/