noun
opera
AH-pruh/ˈɑːprə/
A dramatic work or art form performed by singing with orchestral accompaniment.
The opera tells a tragic story through music and song.

Etymology
The Italian word meant a work or composition. Its theatrical use narrowed that broad idea to a dramatic composition in which music and singing predominate.
In context
Doctor Reich, a soprano, has appeared in several major operatic roles as she has performed with many professional opera and theatre companies.
More examples
- We buy tickets to an opera by Mozart.
- She studies opera at a music conservatory.
- The company performs three operas each season.
Forms
opera · operas
operatic adjective — Relating to opera or its performance.