foundation

/faʊnˈdeɪʃən/noun

The solid base, usually below ground level, on which a building or other structure rests and is supported.

Example sentence

“Workers poured the concrete foundation for the new house.”

'Without foundation' means without factual basis: the rumor was without foundation. A foundation is also a charity endowed to fund good works.

Related words

brickworkThe part of a building or other construction built from bricks.insulationMaterial fitted in a building to slow heat from escaping or entering.plasterA soft, sticky preparation spread on the skin to help it heal or improve its appearance.wiringThe network of electrical wires in a building or device.wallpaperA decorative paper-based covering pasted onto the interior walls of a building.plumbingThe network of pipes, taps, tanks, and related fittings that carry water, gas, or waste through a building.