Yaws \Yaws\, 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 framb[oe]sia, pian, verrugas, and crab-yaws.

Source: Webster's Revised Unabridged Dictionary (1913)