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Kay

American  
[key] / keɪ /

noun

  1. Arthurian Legend. Sir Kay, the rude, boastful foster brother and seneschal of Arthur.

  2. Ulysses Simpson 1917–1995, U.S. composer.

  3. a female or male given name: from a Greek word meaning “rejoice.”


Kay British  
/ keɪ /

noun

  1. (in Arthurian legend) the braggart foster brother and steward of King Arthur

"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

Example Sentences

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Mum-of-three Kay Devonshire-Murphy said buying uniforms for her family was "massively expensive"

From BBC Sep. 2, 2026

UOB Kay Hian retains its buy rating and target price of S$5.30.

From The Wall Street Journal Aug. 21, 2026

Long-term care manager Kay Li, who had been cycling across the bridge when she was told by the army to leave, said it was "a necessary exercise".

From Barron's Aug. 6, 2026

"It amazes me that similar parenting behaviors have evolved so many times in so many distinct animal lineages," says Kay.

From Science Daily Aug. 1, 2026

“My Uncle Clyde and Auntie Nina are staying with us for a while. My cousins Kay, Bernice, and their baby brother, Allen, too.”

From "Betty Before X" by Ilyasah Shabazz and Renée Watson

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