the world > relative properties > measurement > the scientific measurement of volume > measure(s) of capacity > amount defined by capacity > [noun] > amount that fills a receptacle > jug (3)
A liquid measure, a pitcherful.
As much as a pitcher will hold; the contents of a pitcher.
As much as fills a jug. by a jugful (U.S. slang), by a great deal, ‘by a long chalk’.