pacer pacemaking • pacesetter · · · Info · Definitions · Synonyms · Characters · · pacer · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) a horse used to set the pace in racing. Synonyms: pacemaker, pacesetter. · · Noun Definition 1 (noun) a horse trained to a special gait in which both feet on one side leave the ground together. · · Noun Definition 2 Synonyms · · · pacemaker · · Synonym 1 pacesetter · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 p latin small letter p U+0070 r latin small letter r U+0072