In commerce, deficiency in the weight or quantity of goodsby reason of the weight of the cask, bag, or other thing containing thecommodity, and which is weighed with it; hence, the allowance orabatement of a certain weight or quantity from the weight or quantityof a commodity sold in a cask, chest, bag, or the like, which theseller makes to the buyer on account of the weight of such cask,chest, or bag; or the abatement may be on the price of the commoditysold. When the tare is deducted, the remainder is called the net or neatweight. ( Webster )  తోపుడు, తూనికెలో తోపుడు, దీన్ని తారమంటారు.