skin graft

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A surgical graft of healthy skin from one part of the body to another or from one individual to another in order to replace damaged or lost skin.

from The Century Dictionary.

• noun Same as graft, 3.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A operation to graft a piece of skin, moving it from one place to another, a dermoplasty.
• noun A piece of skin grafted during such a surgery.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a piece of skin taken from a donor area and surgically grafted at the site of an injury or burn