The definition of chay is the root of an Indian plant that is used to make red dye. An example of chay is what an East Indian person might use to color fabric. noun. 2. 1.

What is Chays?

: the root of an East Indian herb (Oldenlandia umbellata) that yields a red dye.

Is Chays a word?

Yes, chays is in the scrabble dictionary.