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- DictionaryTun·nel/ˈtən(ə)l/
noun
- 1. an artificial underground passage, especially one built through a hill or under a building, road, or river.
verb
- 1. dig or force a passage underground or through something: "he tunneled under the fence"
- 2. (of a particle) pass through a potential barrier.
The meaning of TUNNEL is a covered passageway; specifically : a horizontal passageway through or under an obstruction. How to use tunnel in a sentence.
to construct a passageway through or under: to tunnel a mountain. to make or excavate (a tunnel or underground passage): to tunnel a passage under a river. to move or proceed by or as if by boring a tunnel: The river tunneled its way through the mountain. to pierce or hollow out, as with tunnels.
TUNNEL definition: 1. a long passage under or through the ground, especially one made by people: 2. the long passage…. Learn more.
A tunnel is an underground or undersea passageway. It is dug through surrounding soil, earth or rock, or laid under water, and is perfectly enclosed except for the two portals common at each end.
n. 1. (Civil Engineering) an underground passageway, esp one for trains or cars that passes under a mountain, river, or a congested urban area. 2. any passage or channel through or under something. 3. a dialect word for funnel. 4. (Building) obsolete the flue of a chimney.
A tunnel is a passage that runs underground or through something, like a train tunnel that cuts through a mountain. Some theme parks have networks of underground tunnels so that employees can move around out of sight of visitors.
noun. /ˈtʌnl/. /ˈtʌnl/. Idioms. a passage built underground, for example to allow a road or railway to go through a hill, under a river, etc. a railway/railroad tunnel. the Channel Tunnel. the tunnel entrance/walls/ceiling. They have been digging underground tunnels in the mountains since the 1960s.
