- the largest and central bone of the carpus, articulating with the second, third, and fourth metacarpal bones.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- The largest of the carpal bones, located in the distal row of the carpus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.