Breadcrumb Home > Thesaurus > P Synonyms of pacer Find synonyms for: Noun 1. pacer, pacemaker, pacesetter, racehorse, race horse, bangtail usage: a horse used to set the pace in racing 2. pacer, horse, Equus caballus usage: a horse trained to a special gait in which both feet on one side leave the ground together WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of pacer (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: minatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language