Source : Webster's Revised Unabridged Dictionary (1913)

Weather \Weath"er\, v. t. [imp. & p. p. {Weathered}; p. pr. &
   vb. n. {Weathering}.]
   1. To expose to the air; to air; to season by exposure to
      air.

            [An eagle] soaring through his wide empire of the
            air To weather his broad sails.       --Spenser.

            This gear lacks weathering.           --Latimer.

   2. Hence, to sustain the trying effect of; to bear up against
      and overcome; to sustain; to endure; to resist; as, to
      weather the storm.

            For I can weather the roughest gale.  --Longfellow.

            You will weather the difficulties yet. --F. W.
                                                  Robertson.

   3. (Naut.) To sail or pass to the windward of; as, to weather
      a cape; to weather another ship.

   4. (Falconry) To place (a hawk) unhooded in the open air.
      --Encyc. Brit.

   {To weather a point}.
      (a) (Naut.) To pass a point of land, leaving it on the lee
          side.
      (b) Hence, to gain or accomplish anything against
          opposition.

   {To weather out}, to encounter successfully, though with
      difficulty; as, to weather out a storm.

Weathered \Weath"ered\, a.
   1. (Arch.) Made sloping, so as to throw off water; as, a
      weathered cornice or window sill.

   2. (Geol.) Having the surface altered in color, texture, or
      composition, or the edges rounded off by exposure to the
      elements.

Source : WordNet®

weathered
     adj : worn by exposure to the weather; "a house of weathered
           shingles" [syn: {weather-beaten}, {weatherworn}]