columbarium
noun
Definitions
A large, sometimes architecturally impressive building for housing a large colony of pigeons or doves, particularly those of ancien regime France.
Synonyms:dovecoteA pigeonhole in such a dovecote.
A building, a vault or a similar place for the respectful and usually public storage of cinerary urns containing cremated remains.
Synonyms:cinerariumA niche in such a building for housing urns.