1. Sir, Arthurian Romance. the rude, boastful foster brother and seneschal of Arthur.
  2. Ulysses Simp·son [simp-suh n] /ˈsɪmp sən/, 1917–1995, U.S. composer.
  3. a female or male given name: from a Greek word meaning “rejoice.”
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Contemporary Examples of kay

Historical Examples of kay

British Dictionary definitions for kay


  1. Sir Kay (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

Word Origin and History for kay


fem. proper name, often a shortening of Katherine. As a given name for girls, from 1890s in the U.S.; in the top 100 for girls born there 1936-1945.

Online Etymology Dictionary, © 2010 Douglas Harper