op·era /ˈɑp(ə)rə, ||ˈɑpri/
 歌劇


 Op·er·a n.
 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.
 Opera bouffe [F. opéra opera + bouffe comic, It. buffo], Opera buffa [It.], light, farcical, burlesque opera.
 Opera box, a partially inclosed portion of the auditorium of an opera house for the use of a small private party.
 Opera comique [F.], comic or humorous opera.
 Opera flannel, a light flannel, highly finished. --Knight.
 Opera girl or Opera girls Bot., an East Indian plant (Mantisia saltatoria) of the Ginger family, sometimes seen in hothouses. It has curious flowers which have some resemblance to a ballet dancer, whence the popular name.  Called also dancing girls.
 Opera glass, a short telescope with concave eye lenses of low power, usually made double, that is, with a tube and set of glasses for each eye; a lorgnette; -- so called because adapted for use at the opera, theater, etc.
 Opera hat, a gentleman's folding hat.
 Opera house, specifically, a theater devoted to the performance of operas.
 Opera seria [It.], serious or tragic opera; grand opera.

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 O·pus n.; pl. Opera   A work; specif. Mus., a musical composition.
 Note: ☞ Each composition, or set of pieces, as the composer may choose, is called an opus, and they are numbered in the order of their issue. (Often abbrev. to op.)
 Opus incertum.  Arch. See under Incertum.

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 opera
      n 1: a drama set to music; consists of singing with orchestral
           accompaniment and an orchestral overture and interludes
      2: theater where opera is performed [syn: opera house]