LUSTRATION
Source: 566, 567
lustration. Lustration, n. a purification by water, a viewing
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Lus‐tra″tion (?), n. [[L. lustratio: cf. F. lustration.]] 1. 1. The act of lustrating or purifying.
And holy water for lustration bring. Dryden. 2. 2. (Antiq.) A sacrifice, or ceremony, by which cities, fields, armies, or people, defiled by crimes, pestilence, or other cause of uncleanness, were purified.