What is the meaning of Pao?

Rōmaji transcription of パオ

edible type of fern found near water

Nonstandard spelling of pāo.

Nonstandard spelling of páo.

Nonstandard spelling of pǎo.

Nonstandard spelling of pào.

stick, stake

Obsolete spelling of pau.

masculine singular active past participle of pȁsti

clubs (suit of cards)

Pa class inflected form of -ao.

dig

pound (unit of mass)

Source: wiktionary.org