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Definition of pacer

pacer

/ˈpeɪ.sɚ/
pa · cer
Plural:pacers
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pacer Lexical Profile

pacer Game Scores & Validity

• noun

1

A runner, cyclist, or other athlete who leads a race or training run to set a steady, targeted speed for other competitors.

Example

"The marathon organizers hired an experienced pacer to help the elite runners stay on track for a world record."

2

A horse, especially a Standardbred used in harness racing, bred or trained to move with a lateral gait in which both legs on the same side of the body move forward together.

Example

"The trainer entered his fastest pacer in the championship harness race at the county fairgrounds."

3

A person or animal that walks back and forth repeatedly, especially out of nervousness, impatience, or deep thought.

Example

"As a nervous pacer, he wore a path in the hallway carpet while waiting for the exam results."

4

Australian A mechanical pencil having a replaceable lead core that is advanced by clicking a button.

Example

"She made sure to pack a spare tube of lead refills for her pacer before the drafting exam."

Synonyms
View all synonyms for pacer

• Rhymes for pacer

• Nearby Words

pacay
pace
pacemaker
pacer
pacesetter
pacesetting
pachira

Word Origin & Etymology

Formed in late Middle English from the verb 'pace' (ultimately from Latin 'passus', meaning 'a step') combined with the agentive suffix '-er'.

Cite this Entry

Wordmom. (2026). Definition of Pacer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/pacer
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