/ Dictionary / Index W water beetle: Meaning and Definition of Find definitions for: wa'ter bee"tle Pronunciation: [key] any of various aquatic beetles, as a predaceous diving beetle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. waterbed water bench Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language