pteridium aquilinum pteridium • pteridium esculentum · · · Info · Definitions · Synonyms · Characters · · pteridium aquilinum · · Text Common · · Latin · · Scripts 19 · · Length 9 · · Syllables Definitions · · · (noun) large coarse fern often several feet high; essentially weed ferns; cosmopolitan. Synonyms: bracken, pasture brake, brake, Pteridium aquilinum. · · Noun Definition 1 Synonyms · · · bracken · · Synonym 1 pasture brake · · Synonym 2 brake · · Synonym 3 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 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E p latin small letter p U+0070 q latin small letter q U+0071 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075