the world > the supernatural > the occult > sorcery, witchcraft, or magic > sorcerer or magician > witch > [noun] > object used as protection against (3)
a stone or glass bottle used in rituals intended to counter the effects of, or as a charm against, witchcraft.
a brooch worn as a charm against witchcraft.
(in northern England, esp. Yorkshire) a wooden post, usually of mountain ash, marked with a cross and built into a house as a protection against…