Citrullus citrullin • Citrus · · · Info · Definitions · Characters · · Citrullus · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a dicot genus of the family Cucurbitaceae including watermelons. Synonyms: genus Citrullus. · · Noun Definition 1 Characters · · C latin capital letter c U+0043 i latin small letter i U+0069 l latin small letter l U+006C r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075