Source : Webster's Revised Unabridged Dictionary (1913)

Mulberry \Mul"ber*ry\, n.; pl. {Mulberries}. [OE. moolbery,
   murberie, AS. murberie, where the first part is fr. L. morum
   mulberry; cf. Gr. ?, ?. Cf. {Murrey}, {Sycamore}.]
   1. (Bot.) The berry or fruit of any tree of the genus
      {Morus}; also, the tree itself. See {Morus}.

   2. A dark pure color, like the hue of a black mulberry.

   {Mulberry mass}. (Biol.) See {Morula}.

   {Paper mulberry}, a tree ({Broussonetia papyrifera}), related
      to the true mulberry, used in Polynesia for making tapa
      cloth by macerating and pounding the inner bark, and in
      China and Japan for the manufacture of paper. It is seen
      as a shade tree in America.



   Note: Paper is often used adjectively or in combination,
         having commonly an obvious signification; as, paper
         cutter or paper-cutter; paper knife, paper-knife, or
         paperknife; paper maker, paper-maker, or papermaker;
         paper mill or paper-mill; paper weight, paper-weight,
         or paperweight, etc.

   {Business paper}, checks, notes, drafts, etc., given in
      payment of actual indebtedness; -- opposed to
      accommodation paper.

   {Fly paper}, paper covered with a sticky preparation, -- used
      for catching flies.

   {Laid paper}. See under {Laid}.

   {Paper birch} (Bot.), the canoe birch tree ({Betula
      papyracea}).

   {Paper blockade}, an ineffective blockade, as by a weak naval
      force.

   {Paper boat} (Naut.), a boat made of water-proof paper.

   {Paper car wheel} (Railroad), a car wheel having a steel
      tire, and a center formed of compressed paper held between
      two plate-iron disks. --Forney.

   {Paper credit}, credit founded upon evidences of debt, such
      as promissory notes, duebills, etc.

   {Paper hanger}, one who covers walls with paper hangings.

   {Paper hangings}, paper printed with colored figures, or
      otherwise made ornamental, prepared to be pasted against
      the walls of apartments, etc.; wall paper.

   {Paper house}, an audience composed of people who have come
      in on free passes. [Cant]

   {Paper money}, notes or bills, usually issued by government
      or by a banking corporation, promising payment of money,
      and circulated as the representative of coin.

   {Paper mulberry}. (Bot.) See under Mulberry.

   {Paper muslin}, glazed muslin, used for linings, etc.

   {Paper nautilus}. (Zo["o]l.) See {Argonauta}.

   {Paper reed} (Bot.), the papyrus.

   {Paper sailor}. (Zo["o]l.) See Argonauta.

   {Paper stainer}, one who colors or stamps wall paper. --De
      Colange.

   {Paper wasp} (Zo["o]l.), any wasp which makes a nest of
      paperlike material, as the yellow jacket.

   {Paper weight}, any object used as a weight to prevent loose
      papers from being displaced by wind, or otherwise.

   {Parchment paper}. See {Papyrine}.

   {Tissue paper}, thin, gauzelike paper, such as is used to
      protect engravings in books.

   {Wall paper}. Same as {Paper hangings}, above.

   {Waste paper}, paper thrown aside as worthless or useless,
      except for uses of little account.

   {Wove paper}, a writing paper with a uniform surface, not
      ribbed or watermarked.

Source : WordNet®

paper mulberry
     n : shrubby Asiatic tree having bark (tapa) that resembles
         cloth; grown as a shade tree in Europe and America; male
         flowers are pendulous catkins and female are urn-shaped
         followed by small orange-red aggregate berries [syn: {Broussonetia
         papyrifera}]