notonecta undulata notonectal • notonectid · · · Info · Definitions · Synonyms · Characters · · notonecta undulata · · Text Common · · Latin · · Scripts 18 · · Length 8 · · Syllables Definitions · · · (noun) predaceous aquatic insect that swims on its back and may inflict painful bites. Synonyms: backswimmer, Notonecta undulata. · · Noun Definition 1 Synonyms · · · backswimmer · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 u latin small letter u U+0075