borehole

Etymology

From bore + hole.

borehole means A hole bored into the ground to collect samples for analysis or to extract oil or water. Lexicurio rates it Rare gem — a strength score of 82 out of 100.

noun

A hole bored into the ground to collect samples for analysis or to extract oil or water.“Near-synonym: well”
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.”

verb

To bore a hole of this kind (in).