n. (Med.) A disease in the West Indies. It is a kind of ulcer on the soles of the feet, with very hard edges. See Yaws. Dunglison. [ 1913 Webster ]
n. [ African yaw a raspberry. ] (Med.) A disease, occurring in the Antilles and in Africa, characterized by yellowish or reddish tumors, of a contagious character, which, in shape and appearance, often resemble currants, strawberries, or raspberries. There are several varieties of this disease, variously known as