circular amputation

[sûrkyə-lər]
n.
  1. Amputation performed by making a circular incision through the skin, higher up through the muscles, and continuing even higher through the bone but staying vertical to the long axis of the limb.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.