pacemaker

Definition of pacemaker

n.	1.	(Physiol. & Anat.) a specialized bit of heart tissue that controls the heartbeat.
	2.	An implanted electronic device that takes over the function of the natural cardiac pacemaker{1}; - used to assist people whose heartbeat is irregular.
	3.	A horse used to set the pace in racing.

Related Words

example, exemplar, good example, model, pacesetter

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Pablum
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pacate
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Pacha
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pachinko
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pachometer
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pachouli
pachuca tank
Pachy-
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pachyderma
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