(~s)
1.
A ~ is someone who gives a part of their body or some of their blood to be used by doctors to help a person who is ill.
Doctors removed the healthy kidney from the ~.
N-COUNT: oft n N
2.
Donor organs or parts are organs or parts of the body which people allow doctors to use to help people who are ill.
ADJ: ADJ n
3.
A ~ is a person or organization who gives something, especially money, to a charity, organization, or country that needs it.
N-COUNT