Definition of lagena in English:

Share this entry


Pronunciation: /ləˈjēnə/

noun (plural lagenae /-ˈjēˌnē/)

An extension of the saccule of the ear in some vertebrates, corresponding to the cochlear duct in mammals.
Example sentences
  • In mammals, the lagena is coiled and is referred to as the cochlea.
  • Mammals, crocodilians and dinosaurs independently evolved acute, pitch-sensitive hearing by elongating the lagena (called the cochlea in mammals).
  • The mammalian lagena, called a cochlea, is spiral-shaped and drills into the surrounding bone like a corkscrew opening some debased Australian vintage stoppered with bone.


Late 19th century: from Latin, literally 'flagon', from Greek lagunos.

For editors and proofreaders

Syllabification: la·ge·na

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.