THESAURUS
wheelhorse
Conservative, Democrat, Labourite, Republican, Tammany man, Tory, Whig, bidet, carriage horse, cart horse, cavalry horse, draft horse, dray horse, driving horse, fill horse, filler, gigster, hack, hackney, heeler, hunter, jument, lead, leader, loyalist, machine politician, mount, old campaigner, pack horse, palfrey, partisan, party boss, party chieftain, party faithful, party hack, party leader, party man, party member, party
wheelhorse, plow horse, pol, pole horse, political hack, political leader, politician, polo pony, post-horse, professional politician, reform politician, reformer, registered Democrat, registered Republican, regular, remount, rider, riding horse, road horse, roadster, rouncy, saddle horse, saddler, shaft horse, stalking-horse, stalwart, sumpter, sumpter horse, thill horse, thiller, war-horse, ward heeler, wheeler, workhorse