/ Dictionary / Index A alternator: Meaning and Definition of Find definitions for: al•ter•na•tor Pronunciation: (ôl'tur-nā"tur, al'-), [key] — n. Elect. a generator of alternating current. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alternator (Thesaurus) alternative society Altgeld Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language