Groundwater (noun)

1. Water that is found underground in the spaces between soil particles and rock formations and is often accessed through wells and springs.
2. Water that is found in the subsurface of the earth.

Origin:

Ground + water.

Examples:

1. The village was dependent on the groundwater for drinking and irrigation.
2. The contamination of the groundwater is a major concern for public health.
3. The groundwater table is the level at which the ground is saturated with water.
4. The groundwater recharge is the process by which water enters the subsurface.
5. The groundwater basin is an area where groundwater is stored and replenished.