triostium triose • triostium perfoliatum · · · Info · Definitions · Characters · · triostium · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) genus of Asiatic and North American herbs: feverroot. Synonyms: Triostium, genus Triostium. · · Noun Definition 1 Characters · · i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F 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