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
Finding a living donor proves difficult Trying to get a living donor was challenging.
—
Marvin Hurst, CBS News, 6 Dec. 2025
That call to action received a predictably warm reception from LGBTQ donors, activists, and candidates gathered for three days of strategy sessions, many of whom know well Biden’s track record on their issues.
—Philip Elliott, Time, 5 Dec. 2025
Since 2006, the DMV has helped register over 19 million organ, eye, and tissue donors by partnering with Donate Life California, the state’s donor registry.
—William Melhado, Sacbee.com, 5 Dec. 2025
The charity wanted to mark 2,000 voluntary live kidney donations and organized an event on January 21, 2026, which would see the highest number of donors in one place, over four times more than what Sherman said was the existing record, 474.
—Brendan Cole, MSNBC Newsweek, 5 Dec. 2025
See All Example Sentences for donor
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Marvin Hurst, CBS News, 6 Dec. 2025
That call to action received a predictably warm reception from LGBTQ donors, activists, and candidates gathered for three days of strategy sessions, many of whom know well Biden’s track record on their issues.
—Philip Elliott, Time, 5 Dec. 2025
Since 2006, the DMV has helped register over 19 million organ, eye, and tissue donors by partnering with Donate Life California, the state’s donor registry.
—William Melhado, Sacbee.com, 5 Dec. 2025
The charity wanted to mark 2,000 voluntary live kidney donations and organized an event on January 21, 2026, which would see the highest number of donors in one place, over four times more than what Sherman said was the existing record, 474.
—Brendan Cole, MSNBC Newsweek, 5 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 8 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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