The Collaborative International Dictionary of English v.0.48:

Spitz dog \Spitz" dog"\ [G. spitz, spitzhund.] (Zool.)
   A breed of dogs having erect ears and long silky hair,
   usually white; -- called also Pomeranian dog, and
   louploup.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Loup-loup \Loup`-loup"\ (l[=oo]`l[=oo]"), n. [F.] (Zool.)
   The Pomeranian or Spitz dog.
   [1913 Webster]