The Collaborative International Dictionary of English v.0.48:

Vachery \Vach"er*y\, n. [F. vacherie, from vache a cow, L.
   vacca. Cf. Vaccary.]
   1. An inclosure for cows.
      [1913 Webster]

   2. A dairy. [Obs. or Prov. Eng.] --Prompt. Parv.
      [1913 Webster]