(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.)

(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.)

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

(US) Hamamelis virginiana (eastern North America) / (US) Hamamelis vernalis (Ozarks). / (uncountable) An extract of the bark and/or leaves of this plant, used as an astringent

(music, neologism) A style of music characterized by chopped and screwed hip-hop soundscapes, industrial and noise experimentation, and the use of synthesizers, drum machines, obscure samples, droning repetition and heavily altered, ethereal, indiscernible vocals.

Any moth from tribe Thermesiini.

(chiefly historical) Engagement in a witch-hunt; searching for witches or for evidence against them. / Engagement in a political witch-hunt; unjust or ideological persecution.

Alternative form of witchfinder

(mathematics) A cubic plane curve defined from two diametrically opposite points of a circle.

plural of witch-smeller