sieva bean

from The Century Dictionary.

• noun A variety, together with the Lima bean, of Phaseolus lunatus, a twining species with broad and curved or simitar-shaped pods containing few flat seeds.

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

• noun small flat green bean similar to lima beans
• noun bush bean plant cultivated especially in southern United States having small flat edible seeds