Opera

·pl of Opus.

II. Opera ·noun The house where operas are exhibited.

III. Opera ·noun The score of a musical drama, either written or in print; a play set to music.

IV. Opera ·noun 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.