do·​nor | \ ˈdō-nər How to pronounce donor (audio) , -ˌnȯr \

Definition of donor

1 : one that gives, donates, or presents something
2 : one used as a source of biological material (such as blood or an organ)
3a : 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

Keep scrolling for more

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 Paxton, a Republican, is under FBI investigation for allegedly using his office to aid a wealthy political donor. NBC News, 3 Mar. 2021 Matze linked to a report by Fox Business quoting a memo from him to employees that said he was fired Jan. 29 by the Parler board controlled by conservative donor Rebekah Mercer. Chron, 4 Feb. 2021 John Matze told the Wall Street Journal he was fired on Friday by the company’s board of directors, which is controlled by conservative political donor Rebekah Mercer. Jessica Guynn, USA TODAY, 3 Feb. 2021 Lindberg had quickly become a major political donor in state politics. oregonlive, 20 Jan. 2021 Wong was also a prolific political donor, according to publicly available records. Megan Cassidy,, 14 Jan. 2021 On Parler, launched in 2018 and funded in part by conservative donor Rebekah Mercer, the politics and the aesthetics are red — literally, MAGA hat red. Los Angeles Times, 25 Nov. 2020 Bill Clinton pardoned a political donor, Marc Rich. Greg Farrell,, 30 Oct. 2020 Collins' first foray into electoral politics was as a political donor. Dallas News, 26 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'donor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of donor

15th century, in the meaning defined at sense 1

History and Etymology for donor

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

Keep scrolling for more

Learn More About donor

Time Traveler for donor

Time Traveler

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

See more words from the same century

Statistics for donor

Last Updated

7 Jun 2021

Cite this Entry

“Donor.” Dictionary, Merriam-Webster, Accessed 17 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for donor



English Language Learners Definition of donor

: a person or group that gives something (such as money, food, or clothes) in order to help a person or organization
: a person who gives something (such as blood or a body organ) so that it can be given to someone who needs it


do·​nor | \ ˈdō-nər How to pronounce donor (audio) \

Kids Definition of donor

: a person who donates


do·​nor | \ ˈdō-nər How to pronounce donor (audio) , -ˌnȯ(ə)r How to pronounce donor (audio) \

Medical Definition of donor

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

Keep scrolling for more


do·​nor | \ ˈdō-nər, -ˌnȯr How to pronounce donor (audio) \

Legal Definition of donor

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

More from Merriam-Webster on donor

Thesaurus: All synonyms and antonyms for donor

Nglish: Translation of donor for Spanish Speakers

Britannica English: Translation of donor for Arabic Speakers


Test Your Vocabulary

Name that Thing: Dog Breeds

Spell It

Can you spell these 10 commonly misspelled words?


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!