(1) Large oblong or roundish melon with a hard green rind and sweet watery red or occasionally yellowish pulp
(2) An African melon
- A plant of the genus Citrullus, a variety of melon.
- The fruit of the watermelon plant, having a green rind and watery flesh that is bright red when ripe and contains black pips.
- An environmentalist with socialist leanings (from the similarity to the fruit, being green on the outside, and red on the inside).