Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pacer

2 senses of pacer

Sense 1
pacer, pacemaker, pacesetter -- (a horse used to set the pace in racing)
       => racehorse, race horse, bangtail -- (a horse bred for racing)

Sense 2
pacer -- (a horse trained to a special gait in which both feet on one side leave the ground together)
       => horse, Equus caballus -- (solid-hoofed herbivorous quadruped domesticated since prehistoric times)