TOP

Definition of tunnel noun from the Oxford Advanced Learner's Dictionary

tunnel

noun
 
/ˈtʌnl/
 
/ˈtʌnl/
Idioms
jump to other results
  1. 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.
    • A gust of wind passed through the tunnel.
    see also wind tunnel
    Extra Examples
    • A service tunnel runs between the two buildings.
    • The initial section of tunnel had to be dug by hand.
    • The train disappeared into a tunnel.
    • They've built a new tunnel through the mountain.
    • We got lost in the maze of tunnels.
    Topics Transport by bus and trainb2, Transport by car or lorryb2
    Oxford Collocations Dictionaryadjective
    • long
    • short
    • narrow
    verb + tunnel
    • go through
    • use
    • disappear into
    tunnel + verb
    • run
    • lead
    • connect
    tunnel + noun
    • entrance
    • floor
    • mouth
    preposition
    • through a/​the tunnel
    phrases
    • a labyrinth of tunnels
    • a maze of tunnels
    • a network of tunnels
    See full entry
  2. an underground passage made by an animal or natural processes
    • The badger sett had twelve entrances to what must have been a labyrinth of tunnels.
    • The tunnel opened out into a large cavern.
    Oxford Collocations Dictionaryadjective
    • long
    • short
    • narrow
    verb + tunnel
    • go through
    • use
    • disappear into
    tunnel + verb
    • run
    • lead
    • connect
    tunnel + noun
    • entrance
    • floor
    • mouth
    preposition
    • through a/​the tunnel
    phrases
    • a labyrinth of tunnels
    • a maze of tunnels
    • a network of tunnels
    See full entry
  3. Word Originlate 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.
Idioms
light at the end of the tunnel
  1. something that shows you are nearly at the end of a long and difficult time or situation
    • For the first time since the start of his treatment, we can now see light at the end of the tunnel.
See tunnel in the Oxford Advanced American DictionarySee tunnel in the Oxford Learner's Dictionary of Academic English
trait
noun
 
 
From the Word list
Oxford 5000
B2
Oxford Learner's Dictionaries Word of the Day