giant reed giant red paintbrush • giantry · · · Info · Definitions · Synonyms · Characters · · giant reed · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) large rhizomatous perennial grasses found by riversides and in ditches having jointed stems and large grey-white feathery panicles. Synonyms: giant reed, Arundo donax. · · Noun Definition 1 Synonyms · · · arundo donax · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074