The Collaborative International Dictionary of English v.0.48:

Provender \Prov"en*der\, n. [OE. provende, F. provende,
   provisions, provender, fr. LL. praebenda (prae and pro being
   confused), a daily allowance of provisions, a prebend. See
   Prebend.]
   1. Dry food for domestic animals, as hay, straw, corn, oats,
      or a mixture of ground grain; feed. "Hay or other
      provender." --Mortimer.
      [1913 Webster]

            Good provender laboring horses would have. --Tusser.
      [1913 Webster]

   2. Food or provisions. [R or Obs.]
      [1913 Webster]

WordNet (r) 3.0 (2006):

provender
    n 1: food for domestic livestock [syn: feed, provender]
    2: a stock or supply of foods [syn: commissariat,
       provisions, provender, viands, victuals]