a baked food having a filling of fruit, meat, pudding, etc., prepared in a pastry-lined pan or dish and often topped with a pastry crust: apple pie; meat pie.
a layer cake with a filling of custard, cream jelly, or the like: chocolate cream pie.
a total or whole that can be divided: They want a bigger part of the profit pie.
an activity or affair: He has his finger in the political pie too.
pizza.
extremely easy or simple.
extremely well-behaved, agreeable, or the like: The children were nice as pie.
Political promises are often pie in the sky.
the illusory prospect of future benefits:Political promises are often pie in the sky.
a state of perfect happiness; utopia:to promise pie in the sky.