ŏp'er-ā, n.

n. [Fr. opéra, It. & Sp. opera, from It. opera, work, composition, opposed to an improvisation, from Lat. opera, pains, work, from opus, operis, work, labor.]

1. A musical drama consisting of airs, choruses, recitations, &c., enriched with magnificent scenery, machinery, and other decorations, and representing some passionate action. Moore.
2. The score of a musical drama, either written or in print.
3. The house where operas are exhibited.