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

• angel
• benefactor
• donator
• fairy godmother
• Maecenas
• patron
• sugar daddy

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

OpenSecrets reports that Rubio has raked in more than a million bucks from pro-Israel donors since 2007. —Rachel Marsden, Hartford Courant, 19 June 2025

This quote is featured in the GMHC Stories Oral History Project, a collection of over 100 interviews with former volunteers, staff and donors from the first 15 years of the organization. —Eden Lowinger, The Conversation, 18 June 2025

Further, how can other charities fairly compete for donors or grants against inside players like Hope Florida? —Glen Casel, The Orlando Sentinel, 18 June 2025

Making gains for all children in South Africa and around the world Support from donors and partners is what makes UNICEF’s impact in South Africa and around the world possible. —Unicef Usa, Forbes.com, 17 June 2025

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