WordReference Random House Unabridged Dictionary of American English © 2025
bay•o
(bā′ō),USA pronunciation n., pl. bay•os. [Chiefly Northern California.]
- Dialect Termsa pinto or chili bean. Also called bay′o bean′.
- American Spanish (frijol) bayo name for a reddish-colored bean; see bay5
- presumably 1850–55