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.

Source : WordNet®

mulberry
     n 1: any of several trees of the genus Morus having edible fruit
          that resembles the blackberry [syn: {mulberry tree}]
     2: sweet usually dark purple blackberry-like fruit of any of
        several mulberry trees of the genus Morus