noun Date: 1815 backswimmer , any of various oval flattened aquatic bugs (family Corixidae) of fresh or brackish water with fringed hind legs modified into paddles
WATER BOATMAN
Meaning of WATER BOATMAN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012