a leading instance in its field; the new policy will be a pacesetter in community relations
[ Syn: pacesetter ]
a specialized bit of heart tissue that controls the heartbeat
[ Syn: cardiac pacemaker , sinoatrial node , sa node ]
an implanted electronic device that takes over the function of the natural cardiac pacemaker
[ Syn: artificial pacemaker ]
a horse used to set the pace in racing
[ Syn: pacer , pacesetter ]