lap·i·da·tion \ˌ ̷ ̷ ̷ ̷ˈdāshən\noun (-s) Etymology: Latin lapidation-, lapidatio action of stoning, from lapidatus + -ion-, -io -ion 1.: the penalty of stoning to death < adultery … would be punished by lapidation — Sir Richard Burton > 2.: an act of pelting with stones