black bean

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various black-colored beans, especially.
• noun A small black variety of the kidney bean, having cream-colored flesh and a sweet flavor, used in southern and Latin-American cuisine.
• noun A fermented black soybean having a pungent salty flavor, preserved in salt and used in Asian cuisine.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A bean plant with black seeds.
• noun A dried seed of a black bean plant.
• noun A dried black seed of certain varieties of the common bean, Phaseolus vulgaris.
• noun A fermented soybean, used in Asian cooking.
• noun An Australian tree (Castanospermum australe), also called Moreton Bay chestnut.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun black-seeded bean of South America; usually dried