■ plural noun [treated as sing. ] a contagious tropical disease caused by a bacterium that enters skin abrasions and causes small crusted lesions which may develop into deep ulcers.
Origin
C17: prob. from Carib yaya .
■ plural noun [treated as sing. ] a contagious tropical disease caused by a bacterium that enters skin abrasions and causes small crusted lesions which may develop into deep ulcers.
Origin
C17: prob. from Carib yaya .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004