Lus-trā'tion, n.

n. [Lat. lustratio, Fr. lustration, Sp. lustracion, It. lustrazione.] 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, were purified.