It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and …

Dec 19, 2025 · tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock, such as …

Sep 11, 2025 · Location Natural Tunnel State Park is in Scott County, about 13 miles north of Gate City and 20 miles north of Kingsport, Tenn. To get there, from I-81, take U.S. 23 North to …

The meaning of TUNNEL is a covered passageway; specifically : a horizontal passageway through or under an obstruction. How to use tunnel in a sentence.

Constructing a tunnel is one of the most complex challenges in the field of civil engineering. Learn about the basics behind tunnels.

TUNNEL definition: 1. a long passage under or through the ground, especially one made by people: 2. the long passage…. Learn more.

Dec 15, 2025 · a tunnel [1-2] in Wuppertal A pedestrian tunnel. The part marked 8 is the tunnel and belly

TUNNEL definition: an underground passage. See examples of tunnel used in a sentence.

Definition of tunnel noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A tunnel is a long passage which has been made under the ground, usually through a hill or under the sea. Boston drivers love the tunnel.