shell bean

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

• noun Any of various beans cultivated for their edible seeds rather than their pods.
• noun A seed from one of these plants.

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

• noun unripe beans removed from the pod before cooking
• noun a bean plant grown primarily for its edible seed rather than its pod