1. A theatrical presentation in which a dramatic performance is set to music.
2. the score of such a work.
3. A theater designed primarily for operas.
4. A plural of opus.

1. A theatrical work combining drama, music, song and sometimes dance.
2. the score for such a work.
3. A building designed for the performance of such works; an opera house.
4. A company dedicated to performing such works.
5. any showy, melodramatic or unrealistic production resembing an opera.
6. A collection of work (plural of opus).

1. A drama, either tragic or comic, of which music forms an essential part; a drama wholly or mostly sung, consisting of recitative, arias, choruses, duets, trios, etc., with orchestral accompaniment, preludes, and interludes, together with appropriate costumes, scenery, and action; a lyric drama.
2. the score of a musical drama, either written or in print; a play set to music.
3. the house where operas are exhibited.

1. A form of extended dramatic composition in which music is an essential and predominant factor; a musical drama, or a drama in music. ; ; ;
2. the score or words of a musical drama, either printed or in manuscript; a libretto.
3. A theater where operas are performed; an opera-house.
4. the administration, revenue, and property of an italian church or parish.
5. specifically, a ballad-opera (see def. 1).
6. plural of opus.

1. a commercial browser
2. a drama set to music; consists of singing with orchestral accompaniment and an orchestral overture and interludes
3. a building where musical dramas are performed