The Collaborative International Dictionary of English v.0.48:

Forel \For"el\, n. [OE. forelcase, sheath, OF. forel, fourel, F.
   fourreau, LL. forellus, fr. OF. forre, fuerre, sheath, case,
   of German origin; cf. OHG. fuotar, akin to Goth. f[=o]dr;
   prob. not the same word as E. fodder food. Cf. Fur,
   Fodder food.]
   A kind of parchment for book covers. See Forrill.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Forel \For"el\, v. t.
   To bind with a forel. [R.] --Fuller.
   [1913 Webster]