Backswimmer definition
Any of various predatory hemipteran insects of the family Notonectidae that live in freshwater habitats and swim on their backs by means of oarlike hind legs.
noun
Any of a family (Notonectidae) of hemipterous water bugs that swim rapidly on their back by use of their long, oarlike legs.
noun
Other Word Forms
Noun
Singular:
backswimmer
Plural:
backswimmers