(music) A theatrical work, combining drama, music, song and sometimes dance. / (music) The score for such a work. / A building designed for the performance of such works; an opera house.

plural of opus; a collection of work.

plural of opera

A pair of small low-powered binoculars for use at a theatrical performance.

A theatre, or similar building, primarily used for staging opera.

One or more pairs of small low-powered binoculars for use by members of the audience at a theatrical performance.

plural of opera glass

(uncountable) A genre of opera with light, comedic themes (less risqué than those of the operetta) which was popular in 19th century Britain; especially the works of Gilbert and Sullivan.

A major category of Chinese opera, originating in southern China's Cantonese culture, and involving music, singing, martial arts, acrobatics, and acting.

(music) A form of Italian comic opera popular in the 18th century.