donor

noun

do·​nor ˈdō-nər How to pronounce donor (audio)
-ˌnȯr
1
: one that gives, donates, or presents something
2
: one used as a source of biological material (such as blood or an organ)
3
a
: a compound capable of giving up a part (such as an atom, chemical group, or subatomic particle) for combination with an acceptor
b
: an impurity added to a semiconductor to increase the number of mobile electrons

Examples of donor in a Sentence

The money was raised from individual donors. She is one of the charity's major donors.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Grenell said that if ticket sales won't cover a program, it won't be confirmed unless the cost shortfall is covered by a sponsor or donor. Kathryn Watson, CBS News, 22 Nov. 2025 Orbán, who leads the Fidesz party, has also been accused of using antisemitic tropes, namely through campaigns citing Hungarian-American financier George Soros—a Democratic donor and philanthropist who has often been the subject of conspiracy theories—for domestic purposes. Tom O'Connor, MSNBC Newsweek, 21 Nov. 2025 The apparent separation between the political and philanthropic arms of the former Arabella network may be an effort to lull donors like Gates back into the fold. Robert Schmad, The Washington Examiner, 21 Nov. 2025 Michel obtained over $120 million from Malaysian billionaire Low Taek Jho - also known as Jho Low - and steered some of that money through straw donors to Obama's campaign. NPR, 21 Nov. 2025 See All Example Sentences for donor

Word History

Etymology

Middle English donoure, from Anglo-French doneur, from Latin donator, from donare

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of donor was in the 15th century

Browse Nearby Words

Cite this Entry

“Donor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/donor. Accessed 25 Nov. 2025.

Kids Definition

donor

noun
do·​nor ˈdō-nər How to pronounce donor (audio)
-ˌnȯr
1
: one that donates
2
: one used as a source of bodily material or parts
a blood donor
a kidney donor

Medical Definition

donor

noun
1
: one used as a source of biological material (as blood or an organ)
2
: a compound capable of giving up a part (as an atom, chemical group, or elementary particle) for combination with an acceptor

Legal Definition

donor

noun
: one that gives, donates, grants, or confers something
specifically : settlor

More from Merriam-Webster on donor

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