The Collaborative International Dictionary of English v.0.48:

Bottine \Bot*tine"\, n. [F. See Boot (for the foot.).]
   [1913 Webster]
   1. A small boot; a lady's boot.
      [1913 Webster]

   2. An appliance resembling a small boot furnished with
      straps, buckles, etc., used to correct or prevent
      distortions in the lower extremities of children.
      --Dunglison.
      [1913 Webster]