Source : Webster's Revised Unabridged Dictionary (1913)

Spreader \Spread"er\, n.
   1. One who, or that which, spreads, expands, or propogates.

   2. A machine for combining and drawing fibers of flax to form
      a sliver preparatory to spinning.

Source : WordNet®

spreader
     n 1: a hand tool for spreading something; "he used his knife as a
          spreader"
     2: a mechanical device for scattering something (seed or
        fertilizer or sand etc.) in all directions [syn: {broadcaster}]