What is the meaning of Chao?

Alternative form of chan (plain, plateau; ground)

Alternative form of chan (flat)

goodbye

Nonstandard spelling of chāo.

Nonstandard spelling of cháo.

Nonstandard spelling of chǎo.

Nonstandard spelling of chào.

bye, goodbye

Ki class inflected form of -ao.

fermented bean curd

to glide (in the air)

Source: wiktionary.org