tare

noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about tare at Wordnik → Where our words come from →

1. An adjustment made for the weight of the packaging in order to determine the net weight of the goods.
2. Any of several weedy vetches grown for forage.
3. Weedy annual grass often occurs in grainfields and other cultivated land; seeds sometimes considered poisonous.