Notonecta

Từ điển WordNet v3.1 - WordNet Dictionary

noun

type genus of the Notonectidae: backswimmers
• Syn:
genus Notonecta
• Hypernyms:
arthropod genus
• Member Holonyms:
Notonectidae, family Notonectidae
• Member Meronyms:
backswimmer, Notonecta undulata