< /ləˈdʒi ni/. Zoology.
- an outpocketing of the saccule of birds, reptiles, and bony fishes corresponding to the cochlear duct of mammals.
noun
- a bottle with a narrow neck
- an outgrowth of the sacculus in the ear of fishes and amphibians, thought to be homologous to the cochlea of mammals
n. pl. la•ge•nae (-nē)
- One of the three parts of the membranous labyrinth of the inner ear of nonmammalian vertebrates.