Pronunciation: (we&thslash;'urd),[key] —adj. 1. seasoned or otherwise affected by exposure to the weather.
2. (of wood) artificially treated to seem discolored or stained by the action of air, rain, etc.
3. (of rocks) worn, disintegrated, or changed in color or composition by weathering.
4. Archit.made sloping or inclined, as a window sill, to prevent the lodgment of water.