Wilms' tumourPronunciation: /wɪlmz, vɪlmz/Definition of Wilms' tumour noun a malignant tumour of the kidney, of a type that occurs in young children. Origin: early 20th century: named after Max Wilms (1867–1918), German surgeonWilms' tumour in other Oxford dictionaries Definition of Wilms' tumour in the US English dictionary
