The Collaborative International Dictionary of English v.0.48:

Loop \Loop\ (l[=oo]p), n. [G. luppe an iron lump. Cf.
   Looping.] (Iron Works)
   A mass of iron in a pasty condition gathered into a ball for
   the tilt hammer or rolls. [Written also loup.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Loups \Loups\, n. pl.; sing. Loup. [F., prop., a wolf.]
   (Ethnol.)
   The Pawnees, a tribe of North American Indians whose
   principal totem was the wolf.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Loup \Loup\ (l[=oo]p), n. (Iron Works)
   See 1st Loop.
   [1913 Webster]