A wall covered by greenery.

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.

A mixture of wax and tallow used by etchers and engravers to make a bank, or wall, round the edge of a plate, so as to form a trough for holding the acid used in etching, etc.

plural of wall wart

(Islam) The Western Wall.

A knot made by unlaying the strands of a rope, and making a bight with the first strand, then passing the second over the end of the first, and the third over the end of the second and through the bight of the first.

A wall decoration, often a scroll or a tapestry.

(military, historical) The outer wall of a castle or defensive wall between two bastions. / (architecture) The non-load-bearing outer skin of a modern building.

A grass of the species Hordeum murinum.

a type of wall obstacle in obstacle course racing composed of a vertical wall of cross-beams with space in between the beams, where competitors must climb up the wall, go over, and climb back down