hardscaping
n.— «Have your thought of adding a patio? A garden path? Or building a raised bed with a decorative retaining wall border?…Nate Farkas, a Hermitage, Tenn.-based sales representative for Pavestone, says hardscaping, as it’s called, can add great new outdoor gathering spaces to your home now.» —“Hardscaping your yard can add character with little effort” by Stacy Smith Segovia Leaf-Chronicle (Clarksville, Tenn.) Apr. 7, 2005. (source: Double-Tongued Dictionary)