pacer

noun

pac·​er ˈpā-sər 

1

: one that paces

specifically : a horse whose predominant gait is the pace

2

: pacemaker

Synonyms

• bellwether
• leader
• pacemaker
• pacesetter
• trendsetter

Examples of pacer in a Sentence

a highly competitive industry in which any company that isn't a pacer quickly becomes a belly-up also-ran

Recent Examples on the Web

But the coach features, the support for connection to other fitness devices and advanced bits like the virtual pacer mode? —Andrew Williams, Forbes.com, 31 Mar. 2025

Rajasthan, however, backed Archer and the pacer repaid the trust with a crucial performance in the side's six-run win over Chennai Super Kings followed by a match-winning 3-25 spell against Punjab Kings on Saturday. —Suramya Kaushik, Reuters, 6 Apr. 2025

But the coach features, the support for connection to other fitness devices and advanced bits like the virtual pacer mode? —Andrew Williams, Forbes.com, 31 Mar. 2025

The sweet spot turned out to be having two pacers, one in front and one behind Kipyegon for the entire race. —Jonathan Lambert, NPR, 1 Mar. 2025

Word History

First Known Use

1616, in the meaning defined at sense 1

Rhymes for pacer

• acer
• baser
• chaser
• racer
• spacer
• tracer
• eraser
• replacer
• radiotracer

Medical Definition

pacer

noun

pac·​er ˈpā-sər 

: pacemaker sense 2

electronic cardiac pacers