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1

tunnel

play
noun tun·nel \ˈtə-nəl\

Simple Definition of tunnel

  • : a passage that goes under the ground, through a hill, etc.

Source: Merriam-Webster's Learner's Dictionary

Full Definition of tunnel

  1. 1 :  a hollow conduit or recess :  tube, well

  2. 2a :  a covered passageway; specifically :  a horizontal passageway through or under an obstructionb :  a subterranean gallery (as in a mine)c :  burrow

tunnellike

play \-nəl-ˌ(l)īk\ adjective

Examples of tunnel in a sentence

  1. The train goes through a tunnel in the mountain.

  2. The moles dug tunnels in the yard.



Origin and Etymology of tunnel

Middle English tonel cask, tun, from Anglo-French, from tone tun


First Known Use: 1508


2

tunnel

verb tun·nel

Simple Definition of tunnel

  • : to make a tunnel

Source: Merriam-Webster's Learner's Dictionary

Full Definition of tunnel

tunneled

or

tunnelled

tunneling

or

tunnelling

\ˈtən-liŋ, ˈtə-nəl-iŋ\
  1. intransitive verb
  2. 1 :  to make or use a tunnel

  3. 2 physics :  to pass through a potential barrier <electrons tunneling through an insulator between semiconductors>

  4. transitive verb
  5. :  to make a tunnel or similar opening through or under; also :  to make (one's way) by or as if by making a tunnel

tunneler

play \ˈtən-lər, ˈtə-nəl-ər\ noun

Examples of tunnel in a sentence

  1. Workers are tunneling through the hill.

  2. Insects had tunneled into the tree.



1795

First Known Use of tunnel

1795



TUNNEL Defined for Kids

1

tunnel

play
noun tun·nel \ˈtə-nəl\

Definition of tunnel for Students

  1. :  a passage under the ground




2

tunnel

play
verb tun·nel

Definition of tunnel for Students

tunneled

or

tunnelled

tunneling

or

tunnelling

  1. :  to make a passage under the ground




Medical Dictionary

tunnel

play
noun tun·nel \ˈtən-əl\

Medical Definition of tunnel

  1. :  a bodily channel—see carpal tunnel





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