Source : Webster's Revised Unabridged Dictionary (1913)

Terrine \Ter*rine"\, n. [F. See {Tureen}.]
   1. A dish or pan, originally of earthenware, such as those in
      which various dishes are cooked and served; esp., an
      earthenware jar containing some table delicacy and sold
      with its contents.

   2. (Cookery) A kind of ragout formerly cooked and served in
      the same dish; also, a dish consisting of several meats
      braised together and served in a terrine.

   3. A soup tureen.

Source : WordNet®

terrine
     n : a pate or fancy meatloaf baked in an earthenware casserole