metric weight unit, weight unit - a decimal unit of weight based on the gram

decigram, dg - 1/10 gram

g, gm, gram, gramme - a metric unit of weight equal to one thousandth of a kilogram

unit, unit of measurement - any division of quantity accepted as a standard of measurement or exchange; "the dollar is the United States unit of currency"; "a unit of wheat is a bushel"; "change per unit volume"