·vi Fig.: To become stony, callous, or obdurate.
II. Petrify ·vt To convert, as any animal or vegetable matter, into stone or stony substance.
III. Petrify ·vi To become stone, or of a stony hardness, as organic matter by calcareous deposits.
IV. Petrify ·vt To make callous or obdurate; to Stupefy; to Paralyze; to Transform; as by petrifaction; as, to petrify the heart. Young.