'Citrullus vulgaris' definitions:

Definition of 'Citrullus vulgaris'

(from WordNet)
noun
An African melon [syn: watermelon, watermelon vine, Citrullus vulgaris]

Definition of 'Citrullus vulgaris'

From: GCIDE
  • Watermelon \Wa"ter*mel`on\, n. (Bot.) The very large ovoid or roundish fruit of a cucurbitaceous plant (Citrullus vulgaris) of many varieties; also, the plant itself. The fruit sometimes weighs many pounds; its pulp is usually pink in color, and full of a sweet watery juice. It is a native of tropical Africa, but is now cultivated in many countries. See Illust. of Melon. [1913 Webster]