
The water in the ground round a building. This can simply originate in local rainfall, or can well up from adjacent, higher areas of ground. If not adequately controlled, ground water can damage a building, either by supporting wet or dry rot, or by washing away light soil under foundations.
Found on
http://www.encyclo.co.uk/local/20938

That portion of the water below the surface of the ground whose pressure is greater than atmospheric pressure. ... (09 Oct 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

Water that exists below the water table in the zone of saturation. Ground water moves slowly in the
Found on
http://www.encyclo.co.uk/local/22392

Water below the earth's surface. It generally occurs in pore spaces of rocks and soil.
Found on
http://www.evcforum.net/WebPages/Glossary_Geology.html

water that does not run off, and is not taken up by plants, but soaks down into an aquifer; a supply of fresh water under the earth
Found on
http://www.sheep101.info/201/glossary.html

[
n] - underground water that is held in the soil and in pervious rocks
Found on
http://www.webdictionary.co.uk/definition.php?query=ground%20water

water found under the ground
Found on
https://sciencetrek.org/sciencetrek/topics/mars/glossary.cfm

The supply of fresh water found beneath the Earth's surface, usually in aquifers, which supply wells and springs. Because ground water is a major source of drinking water, there is growing concern over contamination from leaching agricultural or industrial pollutants or leaking underground storage tanks.
Found on
https://www.encyclo.co.uk/local/20094

Subsurface water occupying the zone of saturation. In a strict sense the term applied only to water below the WATER TABLE.
Found on
https://www.encyclo.co.uk/local/20127

Water beneath the Earth
Found on
https://www.encyclo.co.uk/local/22327

(1) water that flows or seeps downward and saturates soil or rock, supplying springs and wells. The upper surface of the saturate zone is called the water table. (2) Water stored underground in rock crevices and in the pores of geologic materials that make up the Earth's crust.
Found on
https://www.encyclo.co.uk/local/22449

The water under the surface of the earth that is found within the pore spaces and cracks between the particles of soil, sand, gravel and bedrock.
Found on
https://www.encyclo.co.uk/local/22548
No exact match found.