/ Dictionary / Index W wattmeter: Meaning and Definition of Find definitions for: watt•me•ter Pronunciation: (wot'mē"tur), [key] — n. Elect. a calibrated instrument for measuring electric power in watts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wattmeter (Thesaurus) wattless component Watts Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language