Beckwith-Wiedemann syndrome

noun

Beck·​with-Wie·​de·​mann syndrome ˈbek-wəth-ˈwēd-ə-mən-, -ˌman- 

: an inherited disease that is present at birth and is characterized especially by abdominal wall defects (such as umbilical hernia), increased birth weight, enlarged tongue, hypoglycemia, tumors (such as Wilms' tumor) of usually embryonic origin, and enlargement of internal organs (such as the liver or kidneys)

Beckwith-Wiedemann syndrome is characterized by multiorgan overgrowth and predisposition to embryonal tumours …

—Shirley Rainier et al., Nature