organ donor

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. A person (living or dead) from whom an organ is removed in order to be transplanted into another person.
• n. A motorcyclist, especially one who does not wear a protective helmet.

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

• n. someone from whom an organ is taken for transplantation