nodding thistle nodding onion • nodding wild onion · · · Info · Definitions · Synonyms · Characters · · nodding thistle · · Text Common · · Latin · · Scripts 15 · · Length 4 · · Syllables Definitions · · · (noun) Eurasian perennial naturalized in eastern North America having very spiny white cottony foliage and nodding musky crimson flower heads; valuable source of nectar. Synonyms: musk thistle, nodding thistle, Carduus nutans. · · Noun Definition 1 Synonyms · · · musk thistle · · Synonym 1 carduus nutans · · Synonym 2 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074