kidney fern kidney failure • kidney-leaved · · · Info · Definitions · Synonyms · Characters · · kidney fern · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) large fern of New Zealand having kidney-shaped fronds. Synonyms: kidney fern, Trichomanes reniforme. · · Noun Definition 1 Synonyms · · · trichomanes reniforme · · 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 i latin small letter i U+0069 k latin small letter k U+006B n latin small letter n U+006E r latin small letter r U+0072 y latin small letter y U+0079