Overview of noun pacemaker
The noun pacemaker has 4 senses
- pacesetter, pacemaker -- (a leading instance in its field; "the new policy will be a pacesetter in community relations")
- pacemaker, cardiac pacemaker, sinoatrial node, SA node -- (a specialized bit of heart tissue that controls the heartbeat)
- pacemaker, artificial pacemaker -- (an implanted electronic device that takes over the function of the natural cardiac pacemaker)
- pacer, pacemaker, pacesetter -- (a horse used to set the pace in racing)
(TTS Sound)
