- (n.) A drama, either tragic or comic, of which music forms an essential part; a drama wholly or mostly sung, consisting of recitative, arials, choruses, duets, trios, etc., with orchestral accompaniment, preludes, and interludes, together with appropriate costumes, scenery, and action; a lyric drama.
- (pl.) of Opus.
- (n.) The house where operas are exhibited.
- (n.) The score of a musical drama, either written or in print; a play set to music.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). opera. Retrieved September 20, 2026, from http://smartdefine.org/opera/definitions/2038976 |
| Chicago | Webster's. 2011. "opera" http://smartdefine.org/opera/definitions/2038976 (accessed September 20, 2026). |
| Harvard | Webster's 2011, opera, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/opera/definitions/2038976>. |
| MLA | Webster's. "opera" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/opera/definitions/2038976> |