Definition from Wiktionary, the free dictionary
- A bean plant with black seeds.
- A dried seed of a black bean plant.
- A dried black seed of certain varieties of the common bean, Phaseolus vulgaris.
- A fermented soybean, used in Asian cooking.
- An Australian tree (Castanospermum australe), also called Moreton Bay chestnut.
- (black seed of variety of common bean): black turtle bean