Definition of "Rickey"

Rickey

proper noun
1. A variant of Ricky, diminutive of the male given name Richard.
noun
plural Rickeys
1. A cocktail made with lime (citrus fruit) and carbonated water.
  Quotations
  Tom came back, preceding four gin rickeys that clicked full of ice.
  1926, F. Scott Fitzgerald, The Great Gatsby, Penguin, published 2000, page 112