| Noun | 1. | 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 |
| 2. | sieva bean - small flat green bean similar to lima beansshell 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 |