Source : Webster's Revised Unabridged Dictionary (1913)

Fur \Fur\ (f[^u]r), n. [OE. furre, OF. forre, fuerre, sheath,
   case, of German origin; cf. OHG. fuotar lining, case, G.
   futter; akin to Icel. f[=o][eth]r lining, Goth. f[=o]dr,
   scabbard; cf. Skr. p[=a]tra vessel, dish. The German and
   Icel. words also have the sense, fodder, but this was
   probably a different word originally. Cf. {Fodder} food,
   {Fother}, v. t., {Forel}, n.]
   1. The short, fine, soft hair of certain animals, growing
      thick on the skin, and distinguished from the hair, which
      is longer and coarser.

   2. The skins of certain wild animals with the fur; peltry;
      as, a cargo of furs.

   3. Strips of dressed skins with fur, used on garments for
      warmth or for ornament.

   4. pl. Articles of clothing made of fur; as, a set of furs
      for a lady (a collar, tippet, or cape, muff, etc.).

            Wrapped up in my furs.                --Lady M. W.
                                                  Montagu.

   5. Any coating considered as resembling fur; as:
      (a) A coat of morbid matter collected on the tongue in
          persons affected with fever.
      (b) The soft, downy covering on the skin of a peach.
      (c) The deposit formed on the interior of boilers and
          other vessels by hard water.

   6. (Her.) One of several patterns or diapers used as
      tinctures. There are nine in all, or, according to some
      writers, only six. --See Tincture.

Fur \Fur\, a.
   Of or pertaining to furs; bearing or made of fur; as, a fur
   cap; the fur trade.

   {Fur seal} (Zo["o]l.) one of several species of seals of the
      genera {Callorhinus} and {Arclocephalus}, inhabiting the
      North Pacific and the Antarctic oceans. They have a coat
      of fine and soft fur which is highly prized. The northern
      fur seal ({Callorhinus ursinus}) breeds in vast numbers on
      the Prybilov Islands, off the coast of Alaska; -- called
      also {sea bear}.

Fur \Fur\, v. t. [imp. & p. p. {Furred}; p. pr. & vb. n.
   {Furring}.]
   1. To line, face, or cover with fur; as, furred robes. ``You
      fur your gloves with reason.'' --Shak.

   2. To cover with morbid matter, as the tongue.

   3. (Arch.) To nail small strips of board or larger scantling
      upon, in order to make a level surface for lathing or
      boarding, or to provide for a space or interval back of
      the plastered or boarded surface, as inside an outer wall,
      by way of protection against damp. --Gwill.

Source : WordNet®

fur
     n 1: the dressed hairy coat of a mammal [syn: {pelt}]
     2: dense coat of fine silky hairs on mammals (e.g., cat or seal
        or weasel)
     3: a garment made of fur
     [also: {furring}, {furred}]