tunnel
//ˈtʌn.əl//
Noun
tunnelSingular
tunnelsPlural
1
An underground or underwater passage, especially one built through a hill or under a road, river, or building.
The train passed through a long tunnel under the mountain.
2
A passage made by a burrowing animal.
The rabbit dug a tunnel under the garden.
Verb
tunnelInfinitive
tunnelPresent tense
tunneledPast tense
tunneledPast participle
tunnelingPresent participle
tunnelsThird-person singular
1
To dig or force a passage underground or through something.
The workers tunneled through the mountain to build a new road.
2
To move through a confined space or narrow opening.
The cat tunneled through the narrow gap in the fence.