tare tare /tɛər/

noun

1. (chemical analysis) a counterweight used in chemical analysis; consists of an empty container that counterbalances the weight of the container holding chemicals  ( tare )
   (chemical analysis) a counterweight used in chemical analysis; consists of an empty container that counterbalances the weight of the container holding chemicals
   
2. The weight of a motor vehicle, railroad car, or aircraft without its fuel or cargo  ( tare )
   the weight of a motor vehicle, railroad car, or aircraft without its fuel or cargo
   
3. Weedy annual grass often occurs in grainfields and other cultivated land; seeds sometimes considered poisonous  ( bearded darnel , cheat , darnel , Lolium temulentum , tare )
   weedy annual grass often occurs in grainfields and other cultivated land; seeds sometimes considered poisonous
   
   
4. Any of several weedy vetches grown for forage  ( tare )
   any of several weedy vetches grown for forage
   
   
5. An adjustment made for the weight of the packaging in order to determine the net weight of the goods  ( tare )
   an adjustment made for the weight of the packaging in order to determine the net weight of the goods