Definition of yaws in English:


Syllabification: yaws
Pronunciation: /yôz


[treated as singular]
  • A contagious disease of tropical countries, caused by a bacterium that enters skin abrasions and gives rise to small crusted lesions that may develop into deep ulcers. Also called frambesia.
    • The bacterium is the spirochete Treponema pallidum subsp. pertenue
    More example sentences
    • One of the most common was mercury, which had been used by the Arabs for centuries to treat leprosy and yaws.
    • Salversan also proved effective against other maladies such as yaws.
    • And that was the area of some of the first campaigns, the mass campaigns for penicillin, the yaws eradication.


late 17th century: probably from Carib yaya.

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