water bug



any of various aquatic bugs, as of the family Belostomatidae (giant water bug).
(loosely) a large cockroach, especially the American cockroach.

Origin of water bug

First recorded in 1740–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for water bug

Historical Examples of water bug

  • The gnat is a case in point: the water-bug, common in our ponds and ditches, is another.

  • You are no more than a water-bug on the surface of the river.

    Nuggets of the New Thought

    William Walker Atkinson,

British Dictionary definitions for water bug

water bug


any of various heteropterous insects adapted to living in the water or on its surface, esp any of the family Belostomatidae (giant water bugs), of North America, India, and southern Africa, which have flattened hairy legs
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