measure. The Winchester bushel was made the standard of grain; a cylindrical vessel, eighteen and a half inches in diameter, and eight inches deep inside, contains a bushel; the capacity is 2145.42 cubic inches. By law or usage it is established in most of the United States.
Law Dictionary – Alternative Legal Definition
A dry measure, containing four pecks, eight gallons, or thirty two quarts. But the dimensions of a bushel, and the weight of a bushel of grain, etc., vary in the different states in consequence of statutory enactments.