Meaning of TUNNEL in English
/ ˈtʌnl; NAmE / noun , verb
a passage built underground, for example to allow a road or railway / railroad to go through a hill, under a river, etc. :
a railway / railroad tunnel
the Channel Tunnel
—see also wind tunnel
an underground passage made by an animal
see light noun
( -ll- , NAmE also -l- ) [+ adv. / prep. ] to dig a tunnel under or through the ground :
[ v ]
The engineers had to tunnel through solid rock.
[ vn ]
The rescuers tunnelled their way in to the trapped miners.
late Middle English (in the senses tunnel-shaped net and flue of a chimney ): from Old French tonel , diminutive of tonne cask. The current noun senses date from the mid 18th cent.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005