pacemaker
definition: a horse used to set the pace in racing
example:
speech part: noun
synonyms:
pacer
definition: an implanted electronic device that takes over the function of the natural cardiac pacemaker
example:
speech part: noun
synonyms:
definition: a specialized bit of heart tissue that controls the heartbeat
example:
speech part: noun
synonyms:
cardiac pacemaker
sinoatrial node
definition: a leading instance in its field
example:
speech part: noun
synonyms:
pacesetter