Definition of "record-breaker" [record-breaker]

• One who or that which breaks the record in any sense of that phrase. (noun)

The Century Dictionary (Public Domain)

• "In Chicago, officials braced for a potential record-breaker."
• "This week, he will preside over his last results announcement, which promises to be another record-breaker."
• "In Sam Tomkins, England have a record-breaker, after the Wigan full-back became the first player to score four tries in a match for the national side twice."