[1] : The Collaborative International Dictionary of English v.0.48

watermelon \wa"termel`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
see also:
citrullus vulgaris melon 

[2] : WordNet (r) 2.0

citrullus vulgaris
     n : an african melon syn: watermelon, watermelon vine
see also:
watermelon watermelon vine 

Citrullus >> C Words
Citrullus, definition of term: Citrullus
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