From WordNet (r) 3.0 (2006):
horse
n 1: solid-hoofed herbivorous quadruped domesticated since
prehistoric times [syn: horse, Equus caballus]
2: a padded gymnastic apparatus on legs [syn: horse,
gymnastic horse]
3: troops trained to fight on horseback; "500 horse led the
attack" [syn: cavalry, horse cavalry, horse]
4: a framework for holding wood that is being sawed [syn:
sawhorse, horse, sawbuck, buck]
5: a chessman shaped to resemble the head of a horse; can move
two squares horizontally and one vertically (or vice versa)
[syn: knight, horse]
v 1: provide with a horse or horses