pi

pi

pi¹ [pī]

n.

pl. pies [see PIE²]

1. a mixed, disordered collection of printing type

2. any jumble or mixture

vt.

pied, pieing or piing

to make jumbled; mix up (type)

pi² [pī]

n.

[Gr pi, earlier pei < Sem, as in Heb pē]

1. the sixteenth letter of the Greek alphabet (Π, π)

2.

a) the symbol (π) designating the ratio of the circumference of a circle to its diameter

b) the ratio itself, equal to 3.14159265+: often approximated as ²²/ ₇