(ˈ)gō|shāz- noun
Usage: usually capitalized G
Etymology: after Philippe C.E. Gaucher died 1918 French physician
: a rare chronic disorder prob. of genetic origin that is characterized by enormous enlargement of the spleen, pigmentation of the skin, and bone lesions and is marked by the presence of large amounts of kerasin in the cells of the reticuloendothelial system