lapidate

from WordNet (r) 3.0 (2006)

lapidate
    v 1: kill by throwing stones at; "People wanted to stone the
         woman who had a child out of wedlock" [syn: {stone},
         {lapidate}]
    2: throw stones at; "Pilgrims lapidate a stone pillar in
       commemoration of Abraham's temptation"

from The Collaborative International Dictionary of English v.0.48

Lapidate \Lap"i*date\, v. t. [L. lapidatus, p. p. of lapidare,
   fr. lapis stone.]
   To stone. [Obs.]
   [1913 Webster]