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
During a tour at Turning Point USA’s Phoenix headquarters last October, staff described the evolution from a Chicago garage startup to a sprawling campus funded by donors in 2018.
—
Samantha-Jo Roth, The Washington Examiner, 12 Sep. 2025
In a waiting room steps away from the hospital’s intensive care unit, a woman carrying brochures explained to Payne and the rest of the family that Black had identified himself as a possible organ donor on his ID.
—Kff Health News, Oc Register, 12 Sep. 2025
If government support weakens, medical and health research may become more dependent on commercial markets and philanthropic donors.
—Zeynep Hasgül, The Conversation, 12 Sep. 2025
If formed, the select committee would scrutinize organizations such as Antifa and donors like George Soros, a frequent target of conservative ire.
—Brendan Rascius, Miami Herald, 12 Sep. 2025
See All Example Sentences for donor
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Samantha-Jo Roth, The Washington Examiner, 12 Sep. 2025
In a waiting room steps away from the hospital’s intensive care unit, a woman carrying brochures explained to Payne and the rest of the family that Black had identified himself as a possible organ donor on his ID.
—Kff Health News, Oc Register, 12 Sep. 2025
If government support weakens, medical and health research may become more dependent on commercial markets and philanthropic donors.
—Zeynep Hasgül, The Conversation, 12 Sep. 2025
If formed, the select committee would scrutinize organizations such as Antifa and donors like George Soros, a frequent target of conservative ire.
—Brendan Rascius, Miami Herald, 12 Sep. 2025
See All Example Sentences for donor
Cite this Entry
“Donor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/donor. Accessed 16 Sep. 2025.
Copy CitationKids Definition
donor
noun
do·nor
ˈdō-nər 
-ˌnȯr
1
: one that donates
2
: one used as a source of bodily material or parts
a blood donor
a kidney donor
Medical Definition
Legal Definition
donor
noun
do·nor
ˈdō-nər, -ˌnȯr
: one that gives, donates, grants, or confers something
specifically
: settlor
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