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
The newlyweds are working to raise awareness for the National Marrow Donor Program (NMDP)'s donor match campaign.
—
Ashlyn Robinette, PEOPLE, 20 Dec. 2025
Aid from external donors has become a significant part of many countries’ health systems, as was made clear by the impact of USAID’s closure in countries including South Africa and Kenya.
—Martin K.n Siele, semafor.com, 19 Dec. 2025
The biggest source of revenue for UT’s athletic program was $137 million from donors, according to the database.
—Michael Ozanian, CNBC, 19 Dec. 2025
In recent years, the kettles also have become places where mystery donors have, on rare occasions, deposited valuable coins worth thousands of dollars.
—Natalie Davies, Freep.com, 19 Dec. 2025
See All Example Sentences for donor
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Ashlyn Robinette, PEOPLE, 20 Dec. 2025
Aid from external donors has become a significant part of many countries’ health systems, as was made clear by the impact of USAID’s closure in countries including South Africa and Kenya.
—Martin K.n Siele, semafor.com, 19 Dec. 2025
The biggest source of revenue for UT’s athletic program was $137 million from donors, according to the database.
—Michael Ozanian, CNBC, 19 Dec. 2025
In recent years, the kettles also have become places where mystery donors have, on rare occasions, deposited valuable coins worth thousands of dollars.
—Natalie Davies, Freep.com, 19 Dec. 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 23 Dec. 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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