cotton thistle cotton teaser • cotton thread · · · Info · Definitions · Synonyms · Characters · · cotton thistle · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America. Synonyms: cotton thistle, woolly thistle, Scotch thistle, Onopordum acanthium, Onopordon acanthium. · · Noun Definition 1 Synonyms · · · woolly thistle · · Synonym 1 scotch thistle · · Synonym 2 onopordum acanthium · · Synonym 3 onopordon acanthium · · Synonym 4 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 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