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malleus

[mal-ee-uh s] /ˈmæl i əs/
noun, plural mallei
[mal-ee-ahy] /ˈmæl iˌaɪ/ (Show IPA).
Anatomy
1.
the outermost of a chain of three small bones in the middle ear of mammals.
Also called hammer.
Compare incus (def 1), stapes.
Origin
1660-1670
1660-70; < Latin: hammer
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for malleus

malleus

/ˈmælɪəs/
noun (pl) -lei (-lɪˌaɪ)
1.
the outermost and largest of the three small bones in the middle ear of mammals Nontechnical name hammer See also incus, stapes
Word Origin
C17: from Latin: hammer
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 malleus
malleus
1660s, from L. malleus "hammer" (see mallet).
Online Etymology Dictionary, © 2010 Douglas Harper
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malleus in Medicine

malleus mal·le·us (māl'ē-əs)
n. pl. mal·le·i (māl'ē-ī')
The hammer-shaped bone that is the outermost of the three auditory ossicles, articulating with the body of the incus. Also called hammer.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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malleus in Science
malleus
  (māl'ē-əs)   
Plural mallei (māl'ē-ī')
The hammer-shaped bone that is the largest and outermost of the three small bones (ossicles) in the middle ear.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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