Plummer-Vinson syndrome

noun

Plum·​mer-Vin·​son syndrome ˈpləm-ər-ˈvin(t)-sən- 

: a condition that is marked especially by the growth of a mucous membrane across the esophageal lumen, by difficulty in swallowing, and by hypochromic anemia and that is usually considered to be due to an iron deficiency