Ringer1. (n.) One who, or that which, rings; especially, one who rings chimes on bells.
2. (n.) A crowbar.
3. (n.) A horse that is not entitled to take part in a race, but is fraudulently got into it.
Thesaurus Entries
agent, alternate, alternative, analogy, backup, blagueur, bluff, bluffer, change, changeling, charlatan, comparison, copy, counterfeit, deputy, double, dummy, equal, equivalent, ersatz, exchange, fake, faker, fill-in, fourflusher, fraud, ghost, ghostwriter, humbug, imitation, impersonator, impostor, locum tenens, makeshift, malingerer, metaphor, metonymy, mountebank, next best thing, personnel, phony, picture, pinch hitter, portrait, poser, poseur, pretender, proxy, quack, quacksalver, quackster, relief, replacement, representative, reserves, saltimbanco, second string, secondary, sham, shammer, sign, simulacrum, spares, spit, spitting image, stand-in, sub, substituent, substitute, substitution, succedaneum, superseder, supplanter, surrogate, symbol, synecdoche, third string, token, understudy, utility player, vicar, vice-president, vice-regent