- watermelon, watermelon vine, Citrullus vulgaris - an African melon
--1 is a kind of melon, melon vine
--1 is a member of Citrullus, genus Citrullus
--1 has parts: watermelon - watermelon - large oblong or roundish melon with a hard green rind and sweet watery red or occasionally yellowish pulp
--2 is a kind of melon
--2 is a part of watermelon, watermelon vine, Citrullus vulgaris