pel ‧ lag ‧ ra /pəˈlæɡrə, pɪˈlæɡrə/ BrE AmE noun [uncountable]
[ Date: 1800-1900 ; Language: Italian ; Origin: pelle 'skin' ]
a disease that makes you feel tired and that causes problems with your skin and ↑ central nervous system , caused by a lack of a type of B ↑ vitamin