borehole

Etymology

Definitions

1. 1

   A hole bored into the ground to collect samples for analysis or to extract oil or water.

   • Near-synonym: well
   • The state of the groundwater is monitored at various boreholes in the area.
   • Extensive borehole information and tendered contract prices make these cost estimates much more plausible than earlier estimates.
2. 2

   Any other hole that has been bored into something.

   • There were little boreholes in the oak beam, indicating that insects had once taken some interest in it.
3. 3

   To bore a hole of this kind (in).

The neighborhood

• neighborborer
• neighborboring