Dictionary.net

worn by exposure to the weather; "a house of weathered shingles"

worn by exposure to the weather; "a house of weathered shingles"

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

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

Applied to rocks when the surface is altered in colour, texture, or composition, or their edges are rounded off by exposure to the elements; sloped to throw off the wet.