- Infectious tropical disease - Veers off course only to sway back - 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 framboesia, pian, verrugas, and crab-yaws.