'Stone' in the Bible

Or if he gives him a blow with a stone in his hand, causing his death, he is a taker of life and is certainly to be put to death.

If in his hate he put a sword through him, or waiting secretly for him sent a spear or stone at him, causing his death;

Or has given him a blow with a stone, without seeing him, so causing his death, though he had nothing against him and no desire to do him evil: