(geology) The section of rock that extends above a diagonal fault line (the corresponding lower section being the footwall).

Alternative form of drywall

A wall made from stone.

Alternative form of stonewall.

A specialised hand-held power tool used for cutting narrow grooves in walls, for instance when laying electrical cable.

A game similar to association football and rugby union that originated from and is still played at Eton College.

A wall built on the winter sun side of a building with a glass external layer and a high mass internal layer separated by a layer of air, so as to absorb heat during sunlit hours of winter and slowly release it overnight.

plural of wall wart

The chest wall.

(derogatory, geopolitics) A separation barrier built by the Israeli government in the West Bank