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incus

[ing-kuh s] /ˈɪŋ kəs/
noun, plural incudes
[in-kyoo-deez] /ɪnˈkyu diz/ (Show IPA),
for 1; incus for 2.
1.
Anatomy. the middle one of a chain of three small bones in the middle ear of humans and other mammals.
Compare malleus, stapes.
2.
Also called anvil, anvil cloud, anvil top, thunderhead. the spreading, anvil-shaped, upper portion of a mature cumulonimbus cloud, smooth or slightly fibrous in appearance.
Origin
1660-1670
1660-70; < Neo-Latin, Latin incūs anvil, equivalent to incūd- (stem of incūdere to hammer, beat upon) + -s nominative singular ending; see incuse
Related forms
incudate
[ing-kyuh-deyt, -dit, in-] /ˈɪŋ kyəˌdeɪt, -dɪt, ˈɪn-/ (Show IPA),
incudal
[ing-kyuh-dl, in-] /ˈɪŋ kyə dl, ˈɪn-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for incudate

incus

/ˈɪŋkəs/
noun (pl) incudes (ɪnˈkjuːdiːz)
1.
the central of the three small bones in the middle ear of mammals Nontechnical name anvil Compare malleus, stapes
Derived Forms
incudate (ˈɪŋkjʊˌdeɪt), incudal (ˈɪŋkjʊdəl) adjective
Word Origin
C17: from Latin: anvil, from incūdere to forge
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
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Word Origin and History for incudate

incus

n.

ear bone, 1660s, from Latin incus "anvil," from incudere "to forge with a hammer." So called by Belgian anatomist Andreas Vesalius (1514-1564).

Online Etymology Dictionary, © 2010 Douglas Harper
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incudate in Medicine

incus in·cus (ĭng'kəs)
n. pl. in·cu·des (ĭng-kyōō'dēz)
The middle of the three ossicles in the middle ear, located between the malleus and the stapes and composed of a body and two limbs. Also called anvil.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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incudate in Science
incus
  (ĭng-ky'dēz)   
Plural incudes (ĭng-ky'dēz)
  1. The anvil-shaped bone (ossicle) that lies between the malleus and the stapes in the middle ear.

  2. The elongated, often anvil-shaped upper portion of a fully developed cumulonimbus cloud; a thunderhead.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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