digit/number: pi (approximately 3.1416...); the constant defined by the ratio of the circumference to the diameter of all circles.

Part of a proposal to move pau to pai and poi'a, noi'a, soi'a to pau, nau, sau. See also tau'u.

- pai'i
- Digit/number: pi (denoted "π"; approximately 3.1416...); the constant defined by the ratio of the circumference to the diameter of all circles in Euclidean space.