notonectal /nō-tō-nekˈtəl/

1. Swimming on the back, as do certain insects
2. Of the water-boatman genus (Notonecˈta) or family (Notonecˈtidae) of hemipterous insects

• four-flushed
• four-flusher
• four-flushers
• four-flushes
• four-flushing
• fourfold
• fourfoldness
• fourfoldnesses
• four-foot
• four-footed
• four-foot way
• four-function calculator
• four-function calculators
• fourgon
• fourgons
• four-handed
• four-horse
• four-hours
• Fourier analysis
• Fourierism
• Fourierist
• Fourieristic
• Fourier principle
• Fourier series
• four-inched