'Stone' in the Bible

The Angel of God said to him, “Take the meat with the unleavened bread, put it on this stone, and pour the broth on it.” And he did so.

He went to his father’s house in Ophrah and killed his 70 brothers, the sons of Jerubbaal, on top of a large stone. But Jotham, the youngest son of Jerubbaal, survived, because he hid himself.

and now you have attacked my father’s house today, killed his 70 sons on top of a large stone, and made Abimelech, the son of his slave, king over the lords of Shechem ‘because he is your brother’—

There were 700 choice men who were left-handed among all these people; all could sling a stone at a hair and not miss.