- Of or relating to the metacarpus and the phalanges of the hand, especially to the articulations between them.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for metacarpophalangeal
The first is still shorter, not reaching the metacarpophalangeal articulation of the second.