[noun] [C] - a building where objects of historical, scientific or artistic interest are kepta museum of modern artthe Imperial War MuseumHe's a museum curator (= someone who helps to take care of a museum or is in charge of some of the objects in a museum).(humorous) A museum piece is something that is very old-fashioned and should no longer be used.That old car is a museum piece - you should get a new one.
MUSEUM
Meaning of MUSEUM in English
Cambridge English vocab. Кембриджский английский словарь. 2012