Definition of "Horse" :

noun: solid-hoofed herbivorous quadruped domesticated since prehistoric times

noun: a padded gymnastic apparatus on legs

noun: a chessman shaped to resemble the head of a horse; can move two squares horizontally and one vertically (or vice versa)

noun: a framework for holding wood that is being sawed

noun: troops trained to fight on horseback

"500 horse led the attack."

verb: provide with a horse or horses