water beetle

US /ˈwɑː.t̬ɚ ˌbiː.tl̩/
UK /ˈwɑː.t̬ɚ ˌbiː.tl̩/
"water beetle" picture
1.

coléoptère aquatique, scarabée aquatique

any of various beetles that live in or on water, typically having a smooth, oval body and legs adapted for swimming

:
The pond was teeming with tiny water beetles.
L'étang grouillait de minuscules coléoptères aquatiques.
A water beetle skittered across the surface of the lake.
Un coléoptère aquatique a glissé à la surface du lac.