/ Dictionary / Index W water gauge: Meaning and Definition of Find definitions for: wa'ter gauge" Pronunciation: [key] any device for indicating the height of water in a reservoir, tank, boiler, or other vessel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. water gate water glass Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language