- The definition of a sacrarium is a drain that empties directly into soil and is used for disposing of water used to wash sacred items.
An example of a sacrarium is the drain in the basin where the communion chalices and trays are washed.
Origin: L from sacer, sacred
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noun pl. sa·crar·i·a Ecclesiastical
- The sanctuary or sacristy of a church.
Origin: Medieval Latin sacrārium, from Latin, shrine, from sacer, sacr-, sacred; see sacred.