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• Coulter
  Coulter

  noun

  John Merle 1851–1928, U.S. botanist.
• coulter
  coulter

  noun

  a blade or sharp-edged disc attached to a plough so that it cuts through the soil vertically in advance of the ploughshare

Coulter

American  

[kohl-ter] / ˈkoʊl tər /

noun

1. John Merle 1851–1928, U.S. botanist.

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coulter British  

/ ˈkəʊltə /

noun

1. Also (esp US): colter.  a blade or sharp-edged disc attached to a plough so that it cuts through the soil vertically in advance of the ploughshare

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Etymology

Origin of coulter

Old English culter, from Latin: ploughshare, knife

Example Sentences

Upon closing, Masimo is expected to operate as a standalone company within Danaher’s Diagnostics segment, alongside its other businesses Radiometer, Leica Biosystems, Cepheid and Beckman Coulter Diagnostics.

From The Wall Street Journal • Apr. 21, 2026

There’s Jim Coulter, executive chairman and a founding partner of TPG, who now helps lead the firm’s impact and environmental investing practices.

From Barron's • Dec. 5, 2025

“Michael Coulter started the game and played the first two quarters, I played the second two and Michael never played again.”

From Los Angeles Times • Nov. 15, 2025

Coulter has written or co-written several songs for Eurovision, including the UK's 1967 winning song, Puppet on a String, which singer Jade Thirlwall sampled last year.

From BBC • Sep. 12, 2025

Mrs. Coulter settled back comfortably and began to tell him—not everything, but he never thought for a moment that she would.

From "The Amber Spyglass" by Philip Pullman