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pacer

American  
[pay-ser] / ˈpeɪ sər /

noun

  • pacers
    plural
  1. a person or thing that paces.

  2. a standard-bred horse that is used for pacing in harness racing.

  3. a pacemaker.


pacer British  
/ ˈpeɪsə /

noun

  1. a horse trained to move at a special gait, esp for racing

  2. another word for pacemaker

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of pacer

First recorded in 1650–60; pace 1 + -er 1


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Airbus said the availability of Pratt & Whitney engines "remains the key pacer of the ramp-up trajectory" for its top-selling mid-range A320 family of single-aisle aircraft.

From Barron's ● Apr. 28, 2026

Jo Gennari, who works for the NHS, was instrumental in setting up the group after experiencing the "horrific" marathon in 2019, when she was a pacer for slower runners who got heckled by contractors.

From BBC ● Apr. 28, 2026

It was pacer Asitha Fernando who provided the tourists a breakthrough in the fifth over when he trapped opener Saim Ayub leg-before for six.

From Barron's ● Nov. 11, 2025

There are recalls for batter Emma Lamb, all-rounder Alice Davidson-Richards and seamer Issy Wong, while uncapped medium pacer Emily Arlott is also included.

From BBC ● May 14, 2025

It would not take such a fast pacer long to get to Milton.

From "Johnny Tremain" by Esther Hoskins Forbes

As a left-handed opener, right-arm pacers bowling from round the wicket pose an immediate threat to Gay with the new ball.

From BBC ● Apr. 28, 2026

Each of the four major marathons Kipchoge has won—Berlin, Chicago, London and Tokyo—allow for pacers who can help elite runners lock into a groove and conserve energy.

From The Wall Street Journal ● Nov. 1, 2025

Back in February, a scientific study suggested Kipyegon could run a 3:59.37 minute mile, as long as she had perfect drafting from pacers.

From Slate ● Jun. 28, 2025

When Bannister broke the 4-minute barrier, he drafted closely behind two different pacers for more than 80% of the run.

From The Wall Street Journal ● Jun. 25, 2025

Billy turned his face away from a rolling dustcloud that came down the home stretch with the pacers, and looked curiously at Andy.

From The Happy Family by B. M. Bower

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