|  backswimmer | ||
| 1. | [ noun ] (zoology) predaceous aquatic insect that swims on its back and may inflict painful bites | |
| Synonyms: | Notonecta_undulata | |
| Related terms: | hemipterous_insect Notonecta | |
|  backswimmer | ||
| 1. | [ noun ] (zoology) predaceous aquatic insect that swims on its back and may inflict painful bites | |
| Synonyms: | Notonecta_undulata | |
| Related terms: | hemipterous_insect Notonecta | |