the world > relative properties > measurement > measurement of length > [noun] > units of length or distance > minute unit of length (3)
The length of a grain of barley taken as a measure, 1/3 of an inch; formerly also 1/4 of an inch.
The length of the seed of a poppy, formerly used as a measure of length equivalent to one quarter or one fifth of a barleycorn (barley-corn, n.…