Definitions
1.NounA columbary, especially a large and architecturally impressive one for housing a large colony of pigeons or doves, such as those in ancien régime France.
2.NounA pigeonhole in such a dovecote.
3.NounA building, a vault or a similar place for the respectful and usually public storage of cinerary urns containing cremated remains.
4.NounA niche in such a building for housing urns.