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
1660-70; < Latin: hammer
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
Word Origin and History for malleus
n.

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

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.

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.