n 1  :  a deduction from the gross weight of a substance and its container made in allowance for the weight of the container  2  :  an empty vessel similar to a container used to counterbalance change in weight of the container due to conditions (as temperature or moisture)
vt, tared  tar*ing  :  to ascertain or mark the tare of : esp  :  to weigh so as to determine the tare .
 
   
 
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