superorder superordain • superordinal · · · Info · Definitions · Characters · · superorder · · Text Latin · · Script 10 · · Length Definitions · · · (noun) (biology) a taxonomic group ranking above an order and below a class or subclass. · · Noun Definition 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075