[weth
-erd] 
| 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. | Architecture. made sloping or inclined, as a window sill, to prevent the lodgment of water. |
| unweathered | |
adjective | |
| not worn by exposure to the weather; "chemical weathering was beginning to attack the unweathered bedrock" |