Borehole (noun)

A narrow, deep hole drilled into the ground, typically to extract water or minerals.

Origin:

Late 19th century: from bore + hole.

Examples:

1. The borehole provided a reliable source of water for the small village.
2. The borehole was used to extract oil from deep underground.
3. The borehole was surrounded by a fence to protect it from contamination.
4. The borehole was monitored for signs of seismic activity.
5. The borehole was surrounded by lush vegetation, a result of the abundant water supply.