- anatomy an enlarged knoblike structure at the end of a bone that forms an articulation with another bone; capitulum
C19: from Latin, diminutive of capitulum
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
Examples from the Web for capitellum
- The rounded protuberance at the lower end of the humerus that articulates with the radius.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.