/ Dictionary / Index W water-tube boiler: Meaning and Definition of Find definitions for: wa'ter-tube boil"er Pronunciation: (wô'tur-tb", -tyb", wot'ur-), [key] a boiler for generating steam by passing water in tubes through flames and hot gases. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. water treatment water turbine Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language