malleus

[mal-ee-uh s]
noun, plural mal·le·i [mal-ee-ahy] /ˈmæl iˌaɪ/. 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 of malleus

1660–70; < Latin: hammer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for malleus

malleus

noun plural -lei (-lɪˌaɪ)
  1. the outermost and largest of the three small bones in the middle ear of mammalsNontechnical name: hammer See also incus, stapes

Word Origin for malleus

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

Word Origin and History for malleus
n.

ear bone, 1660s, from Latin malleus "a hammer" (see mallet). So called for its shape.

Online Etymology Dictionary, © 2010 Douglas Harper

malleus in Medicine

malleus

[mălē-əs]
n. pl. mal•le•i (mălē-ī′)
  1. The hammer-shaped bone that is the outermost of the three auditory ossicles, articulating with the body of the incus.hammer
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

malleus in Science

malleus

[mălē-əs]
Plural mallei (mălē-ī′)
  1. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.