Persian

Pronunciation

• IPA^(key): /piː/

Noun

پی • ‎(pi)

1. The letters "P" and the Greek "Π"
2. (mathematics) Pi, An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.1415926535897932384626433832795; usually written π.

Etymology 2

Pronunciation

• IPA^(key): /pej/

Noun

پی • ‎(pey)

1. (architecture) A foundation; the lowest and supporting part or member of a wall, including the base course and footing courses; in a frame house, the whole substructure of masonry.
2. behind, back