oniscus oniscoidean • Oniscus · · · Info · Definitions · Characters · · oniscus · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) type genus of the Oniscidae; woodlice that cannot roll into a ball. Synonyms: Oniscus, genus Oniscus. · · Noun Definition 1 Characters · · c latin small letter c U+0063 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075