n A type of pastry that consists of an outer crust and a filling.
n Any of various other, non-pastry dishes that maintain the general concept of a shell with a filling.
n (Northeastern US) A pizza.
n A paper plate covered in cream, shaving foam or custard that is thrown or rubbed in someone’s face for comical purposes, to raise money for charity, or as a form of political protest; a custard pie; a cream pie.
n (figuratively) The whole of a wealth or resource, to be divided in parts.
n (cricket) An especially badly bowled ball.
n A pie chart.
n (slang) The vulva.
n (informal) Something very easy; a piece of cake.
v (transitive) To hit in the face with a pie, either for comic effect or as a means of protest (see also pieing).
v (transitive) To go around (a corner) in a guarded manner.
n (obsolete) Magpie.
n (historical) The smallest unit of currency in South Asia, equivalent to ¹⁄₁₉₂ of a rupee or ¹⁄₁₂ of an anna.
n (historical) A traditional Spanish unit of length, equivalent to about 27.9 cm.
n (zoology) Ellipsis of pie-dog: an Indian breed, a stray dog in Indian contexts.
n (letterpress typography) Alternative form of pi (“metal type that has been spilled, mixed together, or disordered”) [The 16th letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek.]
v (transitive) Alternative form of pi (“to spill or mix printing type”) [(letterpress typography) To spill or mix printing type.]
n (linguistics, anthropology, etc.) Initialism of Proto-Indo-European. [(linguistics, uncountable) The reconstructed ancestor language or protolanguage of the Indo-European family of languages, which includes most European, Iranian, and Indian languages.]
adj (linguistics, anthropology, etc.) Initialism of Proto-Indo-European. [(linguistics, anthropology) Of or pertaining to the Proto-Indo-European language, or the people who spoke it.]
n Initialism of public-interest entity.
n (Singapore, in road signs) Initialism of Pan Island Expressway.