n.
A small bone, especially one of the three bones of the middle ear.
[Latin ossiculum, diminutive of os, bone.]
ossicular os·sic'u·lar (ŏ-sĭk'yə-lər) or os·sic'u·late (-lĭt) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.