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

• atop
• atopic
• atopies
• a top noise
• atopy
• atorvastatin
• atorvastatins
• a touch of the sun
• a tough nut to crack
• at outs
• ATP
• at par
• at peace
• at pleasure
• at point
• at points
• at present
• at press
• at question
• atrabilious
• atrabiliousness
• atracurium
• atracuriums
• atrament
• atramental