Source : Webster's Revised Unabridged Dictionary (1913)

Lapidify \La*pid"i*fy\, v. t. [imp. & p. p. {Lapidified}; p. pr.
   & vb. n. {Lapidifying}.] [Cf. f. lapidifier. See {Lapidific},
   and {-fy}.]
   To convert into stone or stony material; to petrify.

Lapidify \La*pid"i*fy\, v. i.
   To become stone or stony.

Source : WordNet®

lapidify
     v : change into stone; "the wood petrified with time" [syn: {petrify}]
     [also: {lapidified}]