Bengal bean
       n : annual semi-woody vine of Asia having long clusters of
           purplish flowers and densely hairy pods; cultivated in
           southern United States for green manure and grazing [syn:
            cowage, velvet bean, Benghal bean, Florida bean,
            Mucuna pruriens utilis, Mucuna deeringiana, Mucuna
           aterrima, Stizolobium deeringiana]