Refers to a building or hall dedicated to the spirit of a deceased person, often within a temple or shrine complex. Can be translated as 'spirit hall' or 'memorial hall'.
In the temple's spirit hall, the ancestral tablets are enshrined.
The mausoleum is a quiet place for remembering the deceased.
Compound of 霊 (rei, 'spirit') and 殿 (den, 'hall' or 'palace'). The term is used in religious contexts to denote a building or hall dedicated to ancestral spirits.