Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The hammer-shaped bone that is the outermost of the three small bones in the mammalian middle ear.

from The Century Dictionary.

  • noun In anatomy, the proximal element of Meckel's cartilage, in any way distinguished from the rest of the mandibular arch.
  • noun In ichthyology, one of the Weberian ossicles which form a chain between the air-bladder and the auditory apparatus in the skull of plectospondylous and nematognathous fishes. It is homologous with the hemapophysis of the third one of the coalesced anterior vertebræ.
  • noun In rotifers, one of the paired calcareous structures within the pharynx.
  • noun [capitalized] In conchology, a genus of pearl-oysters of the family Avieulidæ, founded by Lamarck in 1799; the hammer-shells.
  • noun Same as war-hammer.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Anat.) The outermost of the three small auditory bones, ossicles; the hammer. It is attached to the tympanic membrane by a long process, the handle or manubrium. See Illust. of far.
  • noun (Zoöl.) One of the hard lateral pieces of the mastax of Rotifera. See Mastax.
  • noun (Zoöl.) A genus of bivalve shells; the hammer shell.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy The small hammer-shaped bone of the middle ear.
  • noun ichthyology The tripus (ossicle in cypriniform fishes).
  • noun zoology One of the paired calcareous structures within the mastax of rotifers.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the ossicle attached to the eardrum

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin, hammer; see melə- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin malleus ("hammer, mallet")

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Examples

  • The bridge of bones, being pivoted at one point to the walls of the middle ear, forms a lever in which the malleus is the long arm, and the incus and stapes the short arm, their ratio being about that of three to two.

    Physiology and Hygiene for Secondary Schools Francis M. Walters

  • Connected with the malleus is another small bone, called the incus, or anvil, which is connected with another, called the stapes, or stirrup, from its shape.

    Popular Lectures on Zoonomia Or The Laws of Animal Life, in Health and Disease Thomas Garnett 1784

  • The peripheral system includes the external ear (auricle and ear canal), the tympanic membrane, or eardrum, the middle ear (three small and connected bones: malleus, incus, and stapes), the oval window boundary, and the inner ear (vestibular system and cochlea).

    You Raising Your Child Michael F. Roizen 2010

  • The peripheral system includes the external ear (auricle and ear canal), the tympanic membrane, or eardrum, the middle ear (three small and connected bones: malleus, incus, and stapes), the oval window boundary, and the inner ear (vestibular system and cochlea).

    You Raising Your Child Michael F. Roizen 2010

  • The peripheral system includes the external ear (auricle and ear canal), the tympanic membrane, or eardrum, the middle ear (three small and connected bones: malleus, incus, and stapes), the oval window boundary, and the inner ear (vestibular system and cochlea).

    You Raising Your Child Michael F. Roizen 2010

  • The peripheral system includes the external ear (auricle and ear canal), the tympanic membrane, or eardrum, the middle ear (three small and connected bones: malleus, incus, and stapes), the oval window boundary, and the inner ear (vestibular system and cochlea).

    You Raising Your Child Michael F. Roizen 2010

  • Examples being variations of hind limb bones in whales, or an intermediate of an ancestral reptilian jaw bone to a mammalian malleus bone transition, et al, just one categorical example.

    On Thursday, the Legg report will be published along with... 2009

  • “The malleus, the incus, and the stapes,” I answered automatically.

    Hardy Boys Haunted Franklin W. Dixon 2008

  • “The malleus, the incus, and the stapes,” I answered automatically.

    Hardy Boys Haunted Franklin W. Dixon 2008

  • My first attempt to decode malleus maleficarum focused on the repeating "mal".

    Malleus Maleficarum James Killus 2008

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