field thistle field theory • field thyme · · · Info · Definitions · Synonyms · Characters · · field thistle · · Text Common · · Latin · · Scripts 13 · · Length 3 · · Syllables Definitions · · · (noun) stout North American thistle with purplish-pink flower heads. Synonyms: field thistle, Cirsium discolor. · · Noun Definition 1 Synonyms · · · cirsium discolor · · Synonym 1 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C s latin small letter s U+0073 t latin small letter t U+0074