WILMS' TUMOUR Meaning of WILMS' TUMOUR in English [ wɪlmz , vɪlmz ]■ noun a malignant tumour of the kidney, of a type that occurs in young children.Originearly 20th cent.: named after the German surgeon Max Wilms . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004