English · Travel & Places
tunnel
/ˈtʌn.əl/
[/ˈtʌn.əl/]
underground passage
Intermediatenoun
Definition
A passage built underground or through a hill for vehicles, trains, or people.
Example
The train rushed into a long dark tunnel and emerged on the other side suddenly.
The train rushed into a long dark tunnel and emerged on the other side suddenly.
Etymology
From Old French 'tonel', a cask or tube; sense of passage from the 18th century.
How & Where It’s Used
Common in transport and engineering contexts.