from The Century Dictionary and Cyclopedia
- n. A genus of water-beetles, typical of the family Gyrinidæ, having the scutellum distinct.
Sorry, no etymologies found.
The gyrinus, or "whirligig beetle," whose dwelling-place during the greater portion of its life is, like that of the crayfish, in ponds and streams, has remarkably acute vision.
Small grey birds, like the warblers of the reeds, flit from stem to stem; hosts of brilliant gyrinus play on the water; notonectes and beetles, resembling the hydrophili, live within it -- now rising to respire, now swiftly diving.