What is the meaning of Py?

Initialism of pack-year.

Initialism of pinyin.

Pronunciation spelling of by.

gown

what, which

flea

a male given name of historical usage, notably borne by Piye, a pharaoh of the Twenty-fifth Dynasty

Alternative form of pj (this)

foot

Contraction of pay.

foot

Alternative form of pye (magpie)

foot; paw (part of the body)

interior; inside

to blow (to produce an air current)

to blow; to flute (to blow a musical instrument to make it give a sound)

width

wide; large

spacious; roomy

pyeong an areal unit of measure symbol/abbreviation for a traditional Korean unit

why, for what reason

what, which

Source: wiktionary.org