1.Designating a club in London, to which Addison and Steele belonged; so called from Christopher Cat, a pastry cook, who served the club with mutton pies.
2.Designating a canvas used for portraits of a peculiar size, viz., twenty-eight or twenty-nine inches by thirty-six; so called because that size was adopted by Sir Godfrey Kneller for the portraits he painted of the members of the Kitcat Club.