butterbean, civet bean, sieva bean, butter bean - small flat green bean similar to lima beans

genus Phaseolus, Phaseolus - herbs of warm regions including most American beans

shell bean, shell bean plant - a bean plant grown primarily for its edible seed rather than its pod

shell bean - unripe beans removed from the pod before cooking

butter bean, butter-bean plant, lima bean, Phaseolus lunatus, sieva bean - bush bean plant cultivated especially in southern United States having small flat edible seeds