Drill hole and Tunnel

Drill hole noun - A hole or passage made by a drill; usually made for exploratory purposes.

Tunnel and drill hole are semantically related. In some cases you can use "Tunnel" instead the phrase "Drill hole" as a noun or a verb.

Tunnel noun - A passageway through or under something, usually underground (especially one for trains or cars).

Drill hole and tunnel are semantically related. You can use "Drill hole" instead the word "Tunnel" as a noun or a verb.

Nearby Words: tunneled, tunneling, tunnelled