PI


Meaning of PI in English

n.

Variant: also pie

Pronunciation: ' p ī

Function: noun

Inflected Form: plural pies

Etymology: origin unknown

Date: circa 1659

1 : type that is spilled or mixed

2 : a pi character or matrix

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.