Source : Webster's Revised Unabridged Dictionary (1913)

Pannage \Pan"nage\, n. [OF. pasnage, LL. pasnadium,
   pastinaticum, fr. pastionare to feed on mast, as swine, fr.
   L. pastio a pasturing, grazing. See {Pastor}.] (O. Eng. Law)
   (a) The food of swine in the woods, as beechnuts, acorns,
       etc.; -- called also {pawns}.
   (b) A tax paid for the privilege of feeding swine in the
       woods.