What is another word for "horse"?

Roget's Thesaurus (1911) lists these synonyms for "horse": abditory, ablude, about, abroad, acknowledge, acknowledgment, actor, adolescence, adventurer, adytum, after, all, alteration, amateur, ambuscade, ambush, anal, anastrophe, and, animal, another, apart, append, apple, armed, ass, awkward, back, background, bad, beau, beetle, before, beholden, being, benediction, bidder, blade, blend, bless.