\ ˈkā How to pronounce kay (audio) \

Definition of kay

 (Entry 1 of 2)

: the letter k
\ ˈkā How to pronounce Kay (audio) \

Definition of Kay (Entry 2 of 2)

: a boastful overbearing knight of the Round Table who is foster brother and seneschal of King Arthur

First Known Use of kay

Noun (1)

14th century, in the meaning defined above

Noun (2)

14th century, in the meaning defined above

Keep scrolling for more

Learn More about kay

Time Traveler for kay

Time Traveler

The first known use of kay was in the 14th century

See more words from the same century

Statistics for kay

Cite this Entry

“Kay.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kay. Accessed 20 Jan. 2021.

Comments on kay

What made you want to look up kay? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!