An arch which takes the form of an inverted catenary.

Sand that may be used as an underneath course for a finished layer of loose stones or gravel.

The curve formed by a flexible cord hung between two points of support

A room characterized by an unusually large amount of sound absorption.

In landscape architecture, water which flows over a series of relatively narrow steps, forming a staircase of water

A platform or other construction projection from the face of a building, from which it is supported; used to protect

Descriptive of lumber or panels stacked without spacers.

Long-term, unattended storage of a vehicle.