noun
opera company; musical theatre troupe
Refers to a performing group specializing in opera, operetta, or musical revues. Often used in the names of specific troupes, such as the Takarazuka Revue.
彼女は有名な歌劇団に入団した。
She joined a famous opera company.
宝塚歌劇団は日本で最も知られた歌劇団の一つだ。
The Takarazuka Revue is one of the best-known musical theatre troupes in Japan.
劇団 is a general term for a theatre company, whereas 歌劇団 specifically denotes a company focused on musical or operatic works.
Compound of 歌劇 (opera, musical drama) and 団 (group, troupe). The term became widely recognized through troupes like the Takarazuka Revue.