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Coulter

American  
[kohl-ter] / ˈkoʊl tər /

noun

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


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

"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

Etymology

Origin of coulter

Old English culter, from Latin: ploughshare, knife

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.

After the deal closes, Masimo is expected to operate as a stand-alone company within Danaher’s Diagnostics segment, alongside other businesses Radiometer, Leica Biosystems, Cepheid and Beckman Coulter Diagnostics, the people familiar with the matter said.

From The Wall Street Journal • Feb. 17, 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

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

It’s hard to believe now, but there was once a time when there was a perceptible difference between Megyn Kelly and Ann Coulter.

From Salon • Aug. 6, 2025

As if they suspected something, they looked all around, and suddenly Mrs. Coulter didn’t look domestic at all.

From "The Amber Spyglass" by Philip Pullman