donor

noun

do·​nor ˈdō-nər 

-ˌnȯr

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 of donor

• donator
• benefactor
• contributor
• patron

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

And Feige, who graduated in 1995, is among the biggest donors and boosters of the school, which is nearing its centennial. —Borys Kit, HollywoodReporter, 13 Mar. 2026

Kaegi, meanwhile, says his challenger would take the office’s ethics backwards, citing Hynes’ roster of campaign donors, which includes several property tax appeals attorneys and appraisers. —A.d. Quig, Chicago Tribune, 13 Mar. 2026

This story was produced with financial support from Trish and Dan Bell and donors in South Florida’s Jewish and Muslim communities, including Khalid and Diana Mirza and the Mohsin and Fauzia Jaffer Foundation, in partnership with Journalism Funding Partners. —Lauren Costantino, Miami Herald, 13 Mar. 2026

Adelson’s federal and state campaign contributions, virtually all going to Republicans, place her among the most prolific political donors in America, according to a review by The Dallas Morning News of disclosure reports. —Philip Jankowski austin Bureau, Dallas Morning News, 13 Mar. 2026

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing donor

• donor card
• sperm donor
• universal donor

Rhymes for donor

• kroner
• kronor
• loner
• owner
• stoner
• toner
• homeowner
• landowner
• shipowner

Kids 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

donor

noun

do·​nor ˈdō-nər  -ˌnȯ(ə)r 

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

Legal Definition

donor

noun

do·​nor ˈdō-nər, -ˌnȯr 

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

specifically : settlor