ETYM African yaw a raspberry.
An infectious tropical disease resembling syphillis in its early stages; marked by red skin eruptions and ulcerating lesions; SYN. frambesia, framboesia.
Contagious skin disease resembling syphilis.
Contagious tropical disease common in the West Indies, W Africa, and some Pacific islands, characterized by red, raspberrylike eruptions on the face, toes, and other parts of the body, sometimes followed by lesions of the bones; these may progress to cause gross disfigurement. It is caused by a spirochete (Treponema pertenue), a bacterium related to the one that causes syphilis. Treatment is by antibiotics.
A contagious tropical disease caused by a spirochete (Treponema pertenue) closely resembling the causative agent of syphilis and marked by infectious ulcerative skin lesions with later bone involvement — called also frambesia.