Meaning : An adjustment made for the weight of the packaging in order to determine the net weight of the goods.

Meaning : Any of several weedy vetches grown for forage.

Meaning : Weedy annual grass often occurs in grainfields and other cultivated land. Seeds sometimes considered poisonous.

Meaning : The weight of a motor vehicle, railroad car, or aircraft without its fuel or cargo.

Meaning : (chemical analysis) a counterweight used in chemical analysis. Consists of an empty container that counterbalances the weight of the container holding chemicals.