名詞 donor:

1. person who makes a gift of property
   同義詞：giver, presenter, bestower, conferrer
2. (medicine) someone who gives blood or tissue or an organ to be used in another person (the host)

do.nor

n.（名詞）
One that contributes something, such as money, to a cause or fund.
捐贈(zèng)者：贈(zèng)送錢等物品給一個(gè)基金會(huì)的人
Medicine One from whom blood, tissue, or an organ is taken for use in a transfusion or transplant.
【醫(yī)學(xué)】 供者：為輸血或器官移植提供血液、組織或器官的人
Electronics An element introduced into a semiconductor with a negative valence greater than that of the pure semiconductor.
【電子學(xué)】 施主：放進(jìn)半導(dǎo)體中的元素，其負(fù)價(jià)大于純半導(dǎo)體

來(lái)源：
Middle English
中古英語(yǔ)
from Anglo-Norman donour
源自 英法語(yǔ) donour
from Latin dôn3tor
源自 拉丁語(yǔ) dôn3tor
from dôn3re [to give] * see donation
源自 dôn3re [給予] *參見(jiàn) donation