noun
treasure hall; repository; sanctuary
Refers to a building at a shrine or temple where sacred treasures and offerings are stored and sometimes displayed. Often translated as 'treasure house' or 'sanctuary'.
神社の宝物殿には古い刀や鏡が納められている。
Old swords and mirrors are kept in the shrine's treasure hall.
宝物殿は一般公開されていない。
The treasure hall is not open to the public.