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water beetle

any of various aquatic beetles, as a predaceous diving beetle.
Origin of water beetle
1660-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for water-beetle
Historical Examples
  • At a little distance they were very puzzling, looking more like a water-beetle grown fat and lazy than aught else.

    The Cruise of the Cachalot Frank T. Bullen
  • In the great Dyticus water-beetle this is done in a curious way.

  • I was only nearly eaten up by the perch; and then there was a duckling after me and a horrid dragon-fly grub and a water-beetle.

    The Pond Carl Ewald
  • Compare the antenn with those of the locust and water-beetle.

  • We can fancy this creature propelling itself much in the same way as a “water-beetle” rows itself through the water in a pond.

    Extinct Monsters H. N. Hutchinson
  • I've found a rather rare species of a water-beetle, Dytiscus marginatus; do you know it?

    Fathers and Children Ivan Sergeevich Turgenev
  • In Colymbetes serricornis, a water-beetle, the male has a serrated clava of four joints.

  • Some insects which live in water, such as the water-beetle, breathe air in the same way as their relatives who live on land.

  • Ann Veronica watched a water-beetle fussing across the green depths.

    Ann Veronica H. G. Wells
British Dictionary definitions for water-beetle

water beetle

any of various beetles of the families Dysticidae, Hydrophilidae, etc, that live most of the time in freshwater ponds, rivers, etc See whirligig beetle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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