tare

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of several vetches native to Europe.
• noun Any of several weedy plants that grow in grain fields.
• noun An unwelcome or objectionable element.
• noun The weight of a container or wrapper that is deducted from the gross weight to obtain net weight.
• noun A deduction from gross weight made to allow for the weight of a container.
• noun Chemistry A counterbalance, especially an empty vessel used to counterbalance the weight of a similar container.
• transitive verb To determine or indicate the tare of, especially to weigh in order to find out the tare.

from The Century Dictionary.

• Eager; brisk.
• noun The weight of a motor-vehicle without its load of cargo or passengers; also, the weight of the vehicle empty, without its fuel-supply or necessary equipment.
• noun A plant of the genus Vicia, otherwise known as vetch; most often the common vetch, V. sativa, an annual or biennial herb widely cultivated in Europe as a forage-plant.
• noun In com., a deduction made from the gross weight of goods as equivalent to the real or approximate weight of the cask, box, pot, bag, or other package containing them.
• noun In chem., an empty vessel similar to one in which a chemical operation is conducted, and placed beside it during the operation. The tare serves to detect or compensate for any change in the weight of the other vessel.
• To note or mark the weight of, as a container of any kind, for subsequent allowance of tare.
• noun A small silver coin formerly current in India.
• noun An obsolete or archaic preterit of tear.

from the GNU version of the Collaborative International Dictionary of English.

• noun A weed that grows among wheat and other grain; -- alleged by modern naturalists to be the Lolium temulentum, or darnel.
• noun (Bot.) A name of several climbing or diffuse leguminous herbs of the genus Vicia; especially, the Vicia sativa, sometimes grown for fodder.
• imperative Tore.
• noun (Com.) Deficientcy in the weight or quantity of goods by reason of the weight of the cask, bag, or whatever contains the commodity, and is weighed with it; hence, the allowance or abatement of a certain weight or quantity which the seller makes to the buyer on account of the weight of such cask, bag, etc.
• transitive verb To ascertain or mark the tare of (goods).

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun rare A vetch, or the seed of a vetch.
• noun rare A damaging weed growing in fields of grain.
• noun The empty weight of a container.
• verb To take into account the weight of the container, wrapping etc. in weighting merchandise.
• verb sciences To set a zero value on an instrument (usually a balance) that discounts the starting point.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun weedy annual grass often occurs in grainfields and other cultivated land; seeds sometimes considered poisonous
• noun the weight of a motor vehicle, railroad car, or aircraft without its fuel or cargo
• noun an adjustment made for the weight of the packaging in order to determine the net weight of the goods
• noun any of several weedy vetches grown for forage
• noun (chemical analysis) a counterweight used in chemical analysis; consists of an empty container that counterbalances the weight of the container holding chemicals