Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “tunnel”

tunnel

noun [C] uk   /ˈtʌn.əl/ us  
B1 a long passage under or through the ground, especially one made by people: The train went into the tunnel. the tunnel the long passage through which football, rugby, etc. players walk to get to the pitch

tunnel

verb [I or T] uk   /ˈtʌn.əl/ (-ll- or US usually -l-) us  
to dig a tunnel: The decision has not yet been made whether to tunnel under the river or build a bridge over it. The alternative is to tunnel a route through the mountain. He was trapped in a collapsed building but managed to tunnel his way out.
tunneller
noun [C] uk UK (US tunneler)   /r/ us    //
(Definition of tunnel from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of tunnel?
Add Cambridge dictionaries to your browser to your website

Definitions of “tunnel” in other dictionaries

Word of the Day

for starters

used to say that something is the first in a list of things

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More