from the GNU version of the Collaborative International Dictionary of English
- n. One of the race of horses described by Swift in his imaginary travels of Lemuel Gulliver. The Houyhnhnms were endowed with reason and noble qualities; subject to them were Yahoos, a race of brutes having the form and all the worst vices of men.
from The Century Dictionary and Cyclopedia
- n. One of the beings described by Swift in “Gulliver's Travels” as horses endowed with reason and extraordinary virtues, who bear rule over the Yahoos or man-like beings, a vicious, disgusting race.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. one of a race of intelligent horses who ruled the Yahoos in a novel by Jonathan Swift
Sorry, no etymologies found.