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)
the art form (or describing something as related to it) that consists of musical plays with orchestra in which most dialogue is sung
She went to it; but the music on which her eye first rested was an opera, procured for her by Willoughby, containing some of their favourite duets, and bearing on its outward leaf her own name in his hand-writing.
Chapter 46 (31% in)
There are no more uses of "opera" in Sense and Sensibility.