plethodontidae plethodontid • Plethodontidae · · · Info · Definitions · Characters · · plethodontidae · · Text Latin · · Script 14 · · Length 4 · · Syllables Definitions · · · (noun) small mostly terrestrial New World salamanders having neither lungs nor gills as adults. Synonyms: Plethodontidae, family Plethodontidae. · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 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 p latin small letter p U+0070 t latin small letter t U+0074