- a spiral-shaped cavity forming a division of the internal ear in humans and in most other mammals.
Origin of cochlea
1530–40; < Latin < Greek kochlíās snail (with spiral shell), screw, probably akin to kónchē conch
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cochlear
If you're born deaf, the debate about cochlear implants, children and deaf cultural rights will touch your life in some way.This Is What It Is Like To Be Deaf From Birth
December 23, 2013
To destroy the cochlear nerve, the whole of the cochlea should be removed.
These fibres of the trapezium come from the cochlear nucleus of the auditory nerve, and run up as the lateral fillet.
- the spiral tube, shaped like a snail's shell, that forms part of the internal ear, converting sound vibrations into nerve impulses
C16: from Latin: snail, spiral, from Greek kokhlias; probably related to Greek konkhē conch
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
Word Origin and History for cochlear
"spiral cavity of the inner ear," 1680s, from Latin cochlea "snail shell," from Greek kokhlias "snail, screw," etc., from kokhlos "spiral shell," perhaps related to konkhos "mussel, conch."
Online Etymology Dictionary, © 2010 Douglas Harper
- A spiral-shaped cavity in the petrous portion of the temporal bone of the inner ear, containing the nerve endings essential for hearing and forming one of the divisions of the labyrinth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A spiral-shaped cavity of the inner ear and the main organ of hearing. The cochlea contains the nerve endings that transmit sound vibrations from the middle ear to the auditory nerve.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.