vera Definition

an aloe (Aloe barbadensis synonym A. vera) whose leaves furnish a gelatinous emollient extract used especially in cosmetics and skin creams; also : such an extract or a preparation composed primarily of such an extract

polycythemia of unknown cause that is marked by increase in total blood volume and accompanied by nosebleed, distension of the circulatory vessels, and enlargement of the spleen —called also erythremia