/ Dictionary / Index W water plug: Meaning and Definition of Find definitions for: wa'ter plug" Pronunciation: [key] a fireplug; hydrant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. water platter water pocket Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language