noun, plural la·ge·nae [luh-jee-nee] /ləˈdʒi ni/. Zoology.
  1. an outpocketing of the saccule of birds, reptiles, and bony fishes corresponding to the cochlear duct of mammals.

Origin of lagena

< New Latin, special use of Latin lagēna flask, flagon; cognate with Greek lágȳnos Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for lagena


  1. a bottle with a narrow neck
  2. an outgrowth of the sacculus in the ear of fishes and amphibians, thought to be homologous to the cochlea of mammals

Word Origin for lagena

C19: Latin, a flask, from Greek lagēnos
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

lagena in Medicine


n. pl. la•ge•nae (-nē)
  1. One of the three parts of the membranous labyrinth of the inner ear of nonmammalian vertebrates.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.