The practice of dowsing.

A strange, powerful, terrifying or dangerous concoction of ingredients.

A person who is believed to ward off witchcraft and heal through magical powers; a shaman.

The hour after midnight, when witches and other supernatural beings were thought to be active, and to which bad luck was ascribed.

(now chiefly historical) A search for people believed to be using sorcery or harmful magic, typically in order to persecute or punish them.

(informal) To perform a witch-hunt.

Alternative form of witchgrass

(finance) Simultaneous expiry on US markets of stock index futures, stock index options, stock options, and single stock futures, which takes place on the third Friday of March, June, September, and December. (Prior to single stock futures those days were triple witching.)

(finance) Simultaneous expiry on US markets of stock index futures, stock index options, and stock options, which took place on the third Friday of March, June, September, and December. (With the introduction of single stock futures those days are now quadruple witching.)

(slang, Britain) plastic bags snagged in trees and bushes.