Source : Webster's Revised Unabridged Dictionary (1913)

Cottony \Cot"ton*y\ (-?), a.
   1. Covered with hairs or pubescence, like cotton; downy;
      nappy; woolly.

   2. Of or pertaining to cotton; resembling cotton in
      appearance or character; soft, like cotton.

Source : WordNet®

cottony
     adj : resembling cotton; as soft as cotton