marsh fern marsh bluebill • marsh fever · · · Info · Definitions · Synonyms · Characters · · marsh fern · · Text Common · · Latin · · Scripts 10 · · Length Definitions · · · (noun) fern having pinnatifid fronds and growing in wet places; cosmopolitan in north temperate regions. Synonyms: Thelypteris palustris, Dryopteris thelypteris. · · Noun Definition 1 Synonyms · · · marsh · · Synonym 1 marshland · · Synonym 2 fen · · Synonym 3 fenland · · Synonym 4 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073