SACRARIUM
Etymology
Noun
sacrarium (plural sacraria)
(historical) In Ancient Rome, a place where sacred objects were kept, either in a temple (the adytum) or in a house (holding the penates)
The area surrounding the altar of a Christian church; the sanctuary or piscina. Sometimes specifically a drain directly to the earth, perhaps including reference to a basin, for washing vessels from consecration.
(anatomy) The complex sacrum of any bird.
Source: Wiktionary
Sa*cra"ri*um, n.; pl. -ria. Etym: [L., fr. sacer sacred.]
1. A sort of family chapel in the houses of the Romans, devoted to a
special divinity.
2. The adytum of a temple. Gwilt.
3. In a Christian church, the sanctuary.
Source: Webster’s Unabridged Dictionary 1913 Edition