noun
: a duty assessed on an article of a given kind at a flat rate per unit of quantity (as a ton, bushel, or yard) without individual appraisal
noun
: a duty assessed on an article of a given kind at a flat rate per unit of quantity (as a ton, bushel, or yard) without individual appraisal
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012