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
Synonyms
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
Both of these kinds of tools have proven effective at efficiently increasing donor dollars.
—
Mike Gianoni, Forbes, 23 Sep. 2024
This means that their stem cells are used rather than donor cells.
—Sarah Hudgens, Health, 23 Sep. 2024
The Lebanese Red Cross has provided more than 200 units of blood for the wounded; blood banks were flooded with donors.
—Justin Salhani / Beirut, TIME, 19 Sep. 2024
Meanwhile, major donors are ramping up on the No on Proposition 36 including from major criminal justice reform donors Patty Quillin with $500,000, Stacy Schusterman with $325,000, Quinn Delaney with $225,000 and the ACLU of Northern California with $120,000.
—Anabel Sosa, Los Angeles Times, 19 Sep. 2024
See all Example Sentences for donor 
Mike Gianoni, Forbes, 23 Sep. 2024
This means that their stem cells are used rather than donor cells.
—Sarah Hudgens, Health, 23 Sep. 2024
The Lebanese Red Cross has provided more than 200 units of blood for the wounded; blood banks were flooded with donors.
—Justin Salhani / Beirut, TIME, 19 Sep. 2024
Meanwhile, major donors are ramping up on the No on Proposition 36 including from major criminal justice reform donors Patty Quillin with $500,000, Stacy Schusterman with $325,000, Quinn Delaney with $225,000 and the ACLU of Northern California with $120,000.
—Anabel Sosa, Los Angeles Times, 19 Sep. 2024
See all Example Sentences for donor
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'donor.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near donor
Cite this Entry
“Donor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/donor. Accessed 5 Oct. 2024.
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share