tundra tundish • tundun · · · Info · Definitions · Characters · · tundra · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a vast treeless plain in the Arctic regions where the subsoil is permanently frozen. · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075