cestrum Cestrum • cestus · · · Info · Definitions · Characters · · cestrum · · Text Latin · · Script 7 · · Length Definitions · · · (noun) genus of fragrant tropical American shrubs. Synonyms: Cestrum, genus Cestrum. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 m latin small letter m U+006D 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