Loup \Loup\, n. (Iron Works) See 1st Loop.
Source: Webster's Revised Unabridged Dictionary (1913)
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.
Loop \Loop\, 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.]