Notonectidae

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Noun1.Notonectidae - aquatic carnivorous insects
arthropod family - any of the arthropods
Hemiptera, order Hemiptera - plant bugs; bedbugs; some true bugs; also includes suborders Heteroptera (true bugs) and Homoptera (e.g., aphids, plant lice and cicadas)
genus Notonecta, Notonecta - type genus of the Notonectidae: backswimmers
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The relative drag coefficient of the back swimmer was lower (about 56% of the leading swimmer) for the smallest inter-swimmer distance (0.5 m).
Traditionally there are four kinds of crabmeat: lump (white meat picked from the muscle of the two back swimmer legs), special (white meat picked throughout the front of the body), claw (brown meat from claws and legs), and claw fingers (picked from the two claws at the first segment).
MANCHESTER'S Victoria Baths will welcome back swimmers for only the second time in 25 years this month - and this time you can hire it out for your own pool party.
A HISTORIC Birmingham swimming pool is said to be on course for welcoming back swimmers after closing for 15 months.