sacrarium

Meanings

1. In Ancient Rome, a place where sacred objects were kept, either in a temple (the adytum) or in a house (holding the penates)
2. 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.
3. The complex sacrum of any bird.

Etymology

From Latin sacrārium.