monotremata monotremal • Monotremata · · · Info · Definitions · Characters · · monotremata · · Text Latin · · Script 11 · · Length 5 · · Syllables Definitions · · · (noun) coextensive with the subclass Prototheria. Synonyms: Monotremata, order Monotremata. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074