donor

[ doh-ner ]
/ ˈdoʊ nər /

noun

a person who gives or donates.
Medicine/Medical. a person or animal providing blood, an organ, bone marrow cells, or other biological tissue for transfusion or transplantation: sperm donor; organ donor.
Law. a person who gives property by gift, legacy, or devise, or who confers a power of appointment.

adjective

of or relating to the biological tissue of a donor: donor organ.

Origin of donor

1400–50; late Middle English donour < Anglo-French (Old French doneur) < Latin dōnātor, equivalent to dōnā(re) (see donation) + -tor -tor
Related formsdo·nor·ship, nounpre·do·nor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for donor

British Dictionary definitions for donor

donor

/ (ˈdəʊnə) /

noun

a person who makes a donation
med any person who voluntarily gives blood, skin, a kidney etc, for use in the treatment of another person
law
  1. a person who makes a gift of property
  2. a person who bestows upon another a power of appointment over property
the atom supplying both electrons in a coordinate bond
an impurity, such as antimony or arsenic, that is added to a semiconductor material in order to increase its n-type conductivity by contributing free electronsCompare acceptor (def. 2)
Derived Formsdonorship, noun

Word Origin for donor

C15: from Old French doneur, from Latin dōnātor, from dōnāre to give
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for donor

donor


n.

mid-15c., from Anglo-French donour, Old French doneur (Modern French donneur), from Latin donatorem (nominative donator) "giver, donor," agent noun from past participle stem of donare "give as a gift" (see donation). Of blood, from 1910; of organs or tissues, from 1918.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for donor

donor

[ dōnər ]

n.

One from whom blood, tissue, or an organ is taken for use in a transfusion or transplant.
A chemical compound that can transfer an atom, a radical, or a particle to an acceptor.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for donor

donor

[ dōnər ]

An atom or molecule that releases one or more electrons to another atom or molecule, resulting in a chemical bond or flow of electric current. Compare acceptor. See also electron carrier.
An individual from whom blood, tissue, or an organ is taken for transfusion, implantation, or transplant.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.