\Lus"trate\, v. t. [imp. & p. p. {Lustrated}; p. pr. &
vb. n. {Lustrating}.] [L. lustratus, p. p. of lustrare to
lustrate, fr. lustrum. See {Lustrum}.]
To make clear or pure by means of a propitiatory offering; to
purify.

      We must purge, and cleanse, and lustrate the whole
      city.                                    --Hammond.