What is another word for "ram"?

Roget's Thesaurus (1911) lists these synonyms for "ram": adolescence, air, alley, animal, bar, beadle, beau, blade, blind, block, blockade, boar, bolt, boy, buck, bull, bullock, bung, button, caecal, caecum, capon, cerberus, chap, choke, clinch, close, closure, cock, constipation, contraction, cork, corner, cover, cram, cul-de-sac, dam, dog, door, doorkeeper.