noun
type genus of the Notonectidae: backswimmers
• Syn: ↑genus Notonecta
• Hypernyms: ↑arthropod genus
• Member Holonyms: ↑Notonectidae, ↑family Notonectidae
• Member Meronyms: ↑backswimmer, ↑Notonecta undulata
Useful english dictionary. 2012.