'Ground' in the Bible

The people went about, and gathered it, and ground it in mills, or beat it in mortars, and boiled it in pots, and made cakes of it: and the taste of it was as the taste of fresh oil.

But if Jehovah make a new thing, and the ground open its mouth, and swallow them up, with all that appertain unto them, and they go down alive into Sheol; then ye shall understand that these men have despised Jehovah.

And it came to pass, as he made an end of speaking all these words, that the ground clave asunder that was under them;