n. [ L. lustratio: cf. F. lustration. ] 1. The act of lustrating or purifying. [ 1913 Webster ]
And holy water for lustration bring. Dryden. [ 1913 Webster ]
2. (Antiq.) A sacrifice, or ceremony, by which cities, fields, armies, or people, defiled by crimes, pestilence, or other cause of uncleanness, were purified. [ 1913 Webster ]