Houyhnhnm

enUK

Hou•yhn•hnm

(huˈɪn əm, ˈʰwɪn əm, ˈwɪn-)

n. (in Swift's Gulliver's Travels) one of a race of horses endowed with reason.
Thesaurus
Noun1.Houyhnhnm - one of a race of intelligent horses who ruled the Yahoos in a novel by Jonathan Swift