[ee-kwahyn, ek-wahyn]
  1. a horse.

Origin of equine

1770–80; < Latin equīnus, equivalent to equ(us) horse + -īnus -ine1
Related formse·quine·ly, adverbe·quin·i·ty, nounun·e·quine, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for equinity

Historical Examples of equinity

  • Humanity is superior to equinity, felinity, caninity; but there are degrees of humanness.

    Concerning Children

    Charlotte Perkins Gilman

British Dictionary definitions for equinity


  1. of, relating to, or resembling a horse
  2. of, relating to, or belonging to the family Equidae, which comprises horses, zebras, and asses
Derived Formsequinely, adverb

Word Origin for equine

C18: from Latin equīnus, from equus horse
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 equinity



1765, from Latin equinus, from equus "horse," from PIE root *ekwo- "horse" (cf. Greek hippos, Old Irish ech, Old English eoh, Gothic aihwa-, Sanskrit açva-, Avestan aspa-, Old Church Slavonic ehu-, all meaning "horse").

Online Etymology Dictionary, © 2010 Douglas Harper

equinity in Medicine


kwīn′, ĕkwīn′]
  1. Of, relating to, or characteristic of a horse.
  2. Of or belonging to the family Equidae, which includes the horses, asses, and zebras.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

equinity in Science


kwīn′, ĕkwīn′]
  1. Characteristic of or resembling horses or related animals, such as donkeys.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.