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|Noun||1.||genus Citrullus - a dicot genus of the family Cucurbitaceae including watermelons|
dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
Cucurbitaceae, family Cucurbitaceae, gourd family - a family of herbaceous vines (such as cucumber or melon or squash or pumpkin)