Keywords: opera, opera singer
Sign Definition
As a Noun
                                            1.  A musical entertainment that is like a play except that most of the words are sung. English = opera.
                                          
                                          
                                        
                                            2.  A person whose job it is to sing the songs in an opera. English = opera singer.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  To sing the songs from an opera.