Dictionary

pacer

noun pac·er \ˈpā-sər\

Definition of PACER

1
:  one that paces; specifically :  a horse whose predominant gait is the pace
2
:  pacemaker
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First Known Use of PACER

circa 1661

Rhymes with PACER

Medical Dictionary

pacer

noun pac·er \ˈpā-sər\

Medical Definition of PACER

:  pacemaker 2 <electronic cardiac pacers>

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