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