ounce	A unit for measuring weight in the U.S. customary measurement system. 16 ounces = 1 pound.
pound	A unit for measuring weight in the U.S. customary measurement system. 16 ounces = 1 pound.
ton	A unit for measuring the weight of heavier items in the U.S. customary measurement system. 1 ton = 2,000 pounds.
weight	A mathematical description of how heavy an object is.