What is another word for "stallion"?

Roget's Thesaurus (1911) lists these synonyms for "stallion": adolescence, animal, beau, blade, boar, boy, buck, bull, bullock, capon, chap, cock, dog, drake, elf, entire, est, fellow, gaffer, gander, gay, gelding, gentleman, goat, good, hart, him, his, horse, husband, lupus, male, man, manhood, manly, married, masculine, master, mister, non.