A strait; a narrow tract of water, where the tide or a current flows and reflows with violence, like the ancient firth of this name between Eubaea and Baeotia. / (by extension) A flux and reflux.

(organic chemistry, especially in combination) Any alkyl imino radical

a system of units of weight/mass, mostly used for precious metals and gemstones, in which the pound contains 12 ounces which each contain 480 grains

present participle of wring