[ bak-swim-er ]
/ ˈbækˌswɪm ər /
any of numerous predaceous aquatic hemipterous insects, of the family Notonectidae, that swim on their backs, and may inflict a painful bite if handled.
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Also called boat bug.
Words nearby backswimmer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020