Quartern \Quar"tern\, n.[OE. quarteroun, quartron, F. quarteron, the fourth part of a pound, or of a hundred; cf. L. quartarius a fourth part, quarter of any measure, quartern, gill. See {Quarter}, and cf. {Quarteron}, {Quadroon}.] 1. A quarter. Specifically: (a) The fourth part of a pint; a gill. (b) The fourth part of a peck, or of a stone (14 ibs.). 2. A loaf of bread weighing about four pounds; -- called also {quartern loaf}. --Simmonds.