1

tunnel

play
noun tun·nel \ˈtə-nəl\

Definition of tunnel

  1. 1a :  a covered passageway; specifically :  a horizontal passageway through or under an obstructionb :  a subterranean gallery (as in a mine)c :  burrow

  2. 2 :  a hollow conduit or recess :  tube, well

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

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 English Language Learners

tunnel

play
noun

Definition of tunnel for English Language Learners

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

tunnel

verb

Definition of tunnel for English Language Learners

  • : to make a tunnel


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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