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Meaning of Kay

Kay

Pronunciation: (kā), [key]
— n.
  1. the rude, boastful foster brother and seneschal of Arthur.
  2. born 1917, U.S. composer.
  3. a female or male given name: from a Greek word meaning “rejoice.”
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.