The Collaborative International Dictionary of English v.0.48:

Tannery \Tan"ner*y\, n.; pl. Tanneries. [Cf. F. tannerie.]
   1. A place where the work of tanning is carried on.
      [1913 Webster]

   2. The art or process of tanning. [R.] --Carlyle.
      [1913 Webster]