verb
(transitive) To turn to stone: to harden organic matter by permeating with water and depositing dissolved minerals.
To produce rigidity akin to stone.
To immobilize with fright.
(intransitive) To become stone, or of a stony hardness, as organic matter by calcareous deposits.
(intransitive, figurative) To become stony, callous, or obdurate.
(transitive, figurative) To make callous or obdurate; to stupefy; to paralyze; to transform; as by petrification.