·noun Any one of the numerous species of birds belonging to Garrulus, Cyanocitta, and allied genera. They are allied to the crows, but are smaller, more graceful in form, often handsomely colored, and usually have a crest.
·- The common jay of the United States (Cyanocitta, or Cyanura, cristata). The predominant color is ...
Webster's Dictionary of the English Language