Source : Webster's Revised Unabridged Dictionary (1913)

Lapidation \Lap`i*da"tion\, n. [L. lapidatio: cf. F.
   lapidation.]
   The act of stoning. [Obs.] --Bp. Hall.

Source : WordNet®

lapidation
     n : pelting with stones; punishment inflicted by throwing stones
         at the victim (even unto death) [syn: {stoning}]