1. Predaceous aquatic insect that swims on its back and may inflict painful bites
   - Notonecta undulata

Derived forms: backswimmers

Type of: bug, hemipteran, hemipteron, hemipterous insect

Part of: genus Notonecta, Notonecta

Encyclopedia: Backswimmer

• swarthy
• swash
• swashbuckler
• swashbuckling
• swastika
• swat
• SWAT squad
• SWAT team
• swatch
• swath
• swathe
• swather
• swathing
• swatter
• sway
• swayback
• swaybacked
• swayer
• Swazi
• Swaziland
• Swaziland monetary unit
• SWbS
• SWbW
• swear
• swear by