pacemaker

English Thesaurus

1. a horse used to set the pace in racing (noun.animal)

hypernym	:	bangtail, race horse, racehorse,
definition	:	a horse bred for racing (noun.animal)

2. an implanted electronic device that takes over the function of the natural cardiac pacemaker (noun.artifact)

hypernym	:	electronic device,
definition	:	a device that accomplishes its purpose electronically (noun.artifact)

3. a specialized bit of heart tissue that controls the heartbeat (noun.body)

hypernym	:	cardiac muscle, heart muscle,
definition	:	the muscle tissue of the heart; adapted to continued rhythmic contraction (noun.body)

4. a leading instance in its field (noun.cognition)

hypernym	:	example, exemplar, good example, model,
definition	:	something to be imitated (noun.cognition)

5. a horse used to set the pace in racing (noun.animal)

derivation	:	pace,
definition	:	regulate or set the pace of (verb.cognition)

derivation	:	pace,
definition	:	regulate or set the pace of (verb.cognition)