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cochlea

[kok-lee-uh, koh-klee-uh]
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noun, plural coch·le·ae [kok-lee-ee, -lee-ahy, koh-klee-ee, ‐klee-ahy] /ˈkɒk liˌi, -liˌaɪ, ˈkoʊ kliˌi, ‐kliˌaɪ/, coch·le·as. Anatomy.
  1. 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
Related formscoch·le·ar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cochlea

Historical Examples

  • Cochleatus is from cochlea, a snail, from resembling its shell.

    The Mushroom, Edible and Otherwise

    M. E. Hard

  • In the cochlea are about 2,800 tiny nerve-ends, called the rods of Corti.

    How it Works

    Archibald Williams

  • Stretched across within the cochlea are some 3000 fibers or strings.

    Physics

    Willis Eugene Tower

  • Here is a cochlea; a meatus; and, as it should seem, more than one tympanum.

  • To destroy the cochlear nerve, the whole of the cochlea should be removed.


British Dictionary definitions for cochlea

cochlea

noun plural -leae (-lɪˌiː)
  1. the spiral tube, shaped like a snail's shell, that forms part of the internal ear, converting sound vibrations into nerve impulses
Derived Formscochlear, adjective

Word Origin

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 cochlea

n.

"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

cochlea in Medicine

cochlea

([object Object])
n. pl. coch•le•as
  1. 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.
Related formscochle•ar (-ər) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

cochlea in Science

cochlea

[kŏklē-ə]
Plural cochleae (kŏklē-ē′, -lē-ī′) cochleas
  1. 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.

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