Source : Webster's Revised Unabridged Dictionary (1913)

Weather-beaten \Weath"er-beat`en\, a.
   Beaten or harassed by the weather; worn by exposure to the
   weather, especially to severe weather. --Shak.

Source : WordNet®

weather-beaten
     adj 1: tanned and coarsened from being outdoors; "a weather-beaten
            face"
     2: worn by exposure to the weather; "a house of weathered
        shingles" [syn: {weatherworn}, {weathered}]