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

China also pays plasma donors, but caps donations at every fortnight, up to 24 times a year – far fewer times than the US, where donors can roll up their sleeves up to twice a week, 104 times a year. — Cnn Staff, CNN Money, 23 Aug. 2026

Her experience of waiting nearly two years for a donor liver to become available helped raise public awareness for the acute need for organ donations. — Jack Dunn, Variety, 23 Aug. 2026

The organization’s next step is raising $10 million through a capital campaign, in which donors can get the chance to name parts of the building, rooms and more after themselves, loved ones, or in memory of their pets. — Anna Ortiz, Chicago Tribune, 23 Aug. 2026

Right now, talking to you, my phone would have already rung twice and I‘d be talking to recruits or a donor or an agent or to a kid on my team who was having a problem with their girlfriend or wanted to transfer. — Miami Herald, 23 Aug. 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