All 10 Uses of

opera
in
Beastly, by Alex Flinn

He was a murderer who terrorized the opera house for years before kidnapping a young singer and trying to force her to be the love he was denied.
Part 3 *

opera = (used for) classical music plays in which most of the dialogue is sung

I finished the hunchback book (everyone died), so I read The Phantom of the Opera.†
Part 3

We're doing a unit on literary monsters in English class—Phantom of the Opera, Hunchback of Notre-Dame, Dracula.†
Part 3

If she pitied me, she might think that I was some pathetic creature who was going to try to drag her off and force her to be mine, like the Phantom of the Opera.†
Part 4

Uses with a meaning too rare to warrant foucs:

So basically, she got a salary and free use of our apartment, and all she had to do was laundry and vacuuming and watch soap operas and fan her butt all day.†
Part 1 *

Definitions:

(1) (opera)
a musical play with orchestra in which most dialogue is sung -- (typically associated with classical music and often in a language foreign to the audience)

or:

the art form (or describing something as related to it) that consists of musical plays with orchestra in which most dialogue is sung
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Less commonly, the expression, soap opera, refers to a television or radio program that typically runs for many years and dramatizes the lives of a group of characters.