(pī) noun
1. A baked food consisting of one or two layers or crusts of pastry with a filling of fruit, vegetables, or meat.
2. Pi².
3. Slang Anything very good or very easy.
4. Slang Political graft.
—to have (or put) one's finger in the pie To have a share in an activity or project; hence, to meddle. [ME pie, pye,? <PIE²; with ref. to the variety of objects collected by magpies and of foods baked in pies]

(pī) noun
A magpie, or a related bird. [<OF <L pica a magpie]

(pī) noun
A former coin of India of smallest value, worth a third of a pice. [<Hind. pā'ī <Skt. pad, padi a fourth]

(pī) noun
1. In the pre–Reformation English church, a book of rules and directions for services on days when two or more feasts concur.
2. An index; a register. Also spelled pye. [<LL pica <L, a magpie;? because its pages resembled the bird's black–and–white plumage]