An opera is a play with music in which all the words are sung.
...a one-act opera about contemporary women in America. [+ about]
...Donizetti's opera 'Lucia di Lammermoor'.
...an opera singer.
He was also learned in classical music with a great love of opera.
2. See also soap opera
opera in British English1
(ˈɒpərə, ˈɒprə)
noun
1.
an extended dramatic work in which music constitutes a dominating feature, either consisting of separate recitatives, arias, and choruses, or having a continuous musical structure
2.
the branch of music or drama represented by such works
3.
the score, libretto, etc, of an opera
4.
a theatre where opera is performed
Word origin
C17: via Italian from Latin: work, a work, plural of opus work
opera in British English2
(ˈɒpərə)
noun
a plural of opus
opera in American English1
(ˈɑpərə; ˈɑprə)
noun
1.
a play having all or most of its text set to music, with arias, recitatives, choruses, duets, trios, etc. sung to orchestral accompaniment, usually characterized by elaborate costuming, scenery, and choreography
see also grand opera, comic opera
2.
the branch of art represented by such plays
3.
the score, libretto, or performance of such a play