broad bean

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

• noun An annual Old World plant (Vicia faba) in the pea family, having pinnately compound leaves, white flowers with lateral purplish blotches, and long thick pods.
• noun The edible seed or green pod of this plant.

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

• noun An edible bean that has broad seeds.

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

• noun a bean plant cultivated for use animal fodder
• noun seed of the broad-bean plant
• noun shell beans cooked as lima beans
• noun Old World upright plant grown especially for its large flat edible seeds but also as fodder