Cal"ci*fy (kăl"s&ibreve;*fī), v. t. [imp. & p. p. Calcified (- fīd); p. pr. & vb. n. Calcifying.] [L. calx, calcis, lime + -fy.] To make stony or calcareous by the deposit or secretion of salts of lime.

Cal"ci*fy, v. i. To become changed into a stony or calcareous condition, in which lime is a principal ingredient, as in the formation of teeth.