a small bone.

1570–80; < Latin ossiculum, equivalent to ossi- (combining form of os) bone + -culum -cle1

ossicular [o-sik-yuh-ler] , ossiculate [o-sik-yuh-lit] , adjective
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World English Dictionary
ossicle (ˈɒsɪkəl)
a small bone, esp one of those in the middle ear
[C16: from Latin ossiculum, from os bone]

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Word Origin & History

1570s, from L. ossiculum, dim. of os "bone" (see osseous).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

ossicle os·si·cle (ŏs'ĭ-kəl)
A small bone, especially one of the three bones of the middle ear that are articulated in a manner that forms a chain for transmitting sound from the tympanic membrane to the oval window. Also called bonelet.

os·sic'u·lar (ŏ-sĭk'yə-lər) or os·sic'u·late (-lĭt) adj.
The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
ossicle   (ŏs'ĭ-kəl)  Pronunciation Key 
A small bone, especially one of the three located in the middle ear (the incus, malleus, and stapes) that transmit sound vibrations from the eardrum to the inner ear.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Sometimes the styloid process of the third metacarpal is detached and forms an additional ossicle.
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