/ Dictionary / Index O operetta: Meaning and Definition of Find definitions for: op•er•et•ta Pronunciation: (op"u-ret'u), [key] — n. a short opera, usually of a light and amusing character. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: operetta (Thesaurus) opere citato* operon Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language