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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The solution was to start her own company, which Mary Kay did in 1963.

From The Wall Street Journal • Apr. 17, 2026

To spur them on, Mary Kay offered only praise, never criticism, all the while dangling gifts and the opportunity for reinvention.

From The Wall Street Journal • Apr. 17, 2026

Mary Kay Ash organized her cosmetics business around the dreams of the women who sold its products.

From The Wall Street Journal • Apr. 17, 2026

Lawyer David Gerger said he is withdrawing from representing Eric Kay in his ongoing appeals because the Angels broke a promise and stopped paying his legal fees.

From Los Angeles Times • Apr. 16, 2026

We walk over to the area where people are trying on shoes and Kay stops in the middle of the aisle.

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