Definition of lustrate in English:

lustrate

verb

[WITH OBJECT]rare
  • Purify by expiatory sacrifice, ceremonial washing, or some other ritual action:

    ‘a soul lustrated in the baptismal waters’
    purge, cleanse, clear, free, unburden, deliver, relieve
    View synonyms

Origin

Early 17th century: from Latin lustrat- purified by lustral rites, from the verb lustrare, from lustrum (see lustrum).

Pronunciation

lustrate

/ˈlʌstreɪt/