Meaning of backswimmer

back•swim•mer

Pronunciation: (bak'swim"ur), [key]
— n.
  1. any of numerous predaceous aquatic hemipterous insects, of the family Notonectidae, that swim on their backs, and may inflict a painful bite if handled. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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