Function: noun
Date: 1815
1 : BACKSWIMMER
2 : any of various oval flattened aquatic bugs (family Corixidae) of fresh or brackish water with fringed hind legs modified into paddles
Function: noun
Date: 1815
1 : BACKSWIMMER
2 : any of various oval flattened aquatic bugs (family Corixidae) of fresh or brackish water with fringed hind legs modified into paddles
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012