Prze·wal·ski’s horse (sh?-väl?sk?z)n. A wild horse (Equus ferus subsp. przewalskii) of central Asia, having a light brown coat with a short erect mane and no forelock. It became extinct in the wild but has been reintroduced in Mongolia from captive populations. Also called takhi.[After Nikolai Mikhaylovich Przhevalsky (1839-1888), Russian explorer who was the first European to describe it.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.Przewalski’s horse (?p?????vælsk?z) n (Animals) a wild horse, Equus przewalskii, of W Mongolia, having an erect mane and no forelock: extinct in the wild, only a few survive in captivity[C19: named after the Russian explorer Nikolai Mikhailovich Przewalski (1839?88), who discovered it]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Prze?wal?ski’s horse? (p???v?l skiz, ??-) n. a wild horse, Equus caballus przevalskii, chiefly of Mongolia and Xinjiang, having a light yellow coat and a short, stiff black mane. [after Nikola? Mikha?lovich Przheval’ski? (Polish Przewalski) (1839?88), Russian explorer, the animal’s first European observer (1876)] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.