n. 1 a baked dish of meat, fish, fruit, etc., usu. with a top and base of pastry. 2 anything resembling a pie in form (a mud pie). easy as pie very easy. pie chart a circle divided into sectors to represent relative quantities. pie-eater Austral. sl. a person of little account. pie-eyed sl. drunk. pie in the sky an unrealistic prospect of future happiness after present suffering; a misleading promise.
[ ME, perh. = PIE(2) f. miscellaneous contents compared to objects collected by a magpie ]