The Collaborative International Dictionary of English v.0.48:

Tare \Tare\, v. t. [imp. & p. p. Tared; p. pr. & vb. n.
   Taring.]
   To ascertain or mark the tare of (goods).
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tared \Tared\, a. (Chem.)
   Weighed; determined; reduced to equal or standard weight; as,
   tared filter papers, used in weighing precipitates.
   [1913 Webster]