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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.

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

tun·nel·like play \-nəl-ˌ(l)īk\ adjective

Examples of tunnel

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

  2. The moles dug tunnels in the yard.



Origin of tunnel

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


First Known Use: 1508

Rhymes with tunnel


2

tunnel

verb tun·nel

Simple Definition of tunnel

  • : to make a tunnel

Full Definition of tunnel

tunneled or tunnelledtunnel·ing or tunnel·ling \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

tun·nel·er play \ˈtən-lər, ˈtə-nəl-ər\ noun

Examples of tunnel

  1. Workers are tunneling through the hill.

  2. Insects had tunneled into the tree.



1795

First Known Use of tunnel

1795


Medical Dictionary

tunnel

play
noun tun·nel \ˈtən-əl\

Medical Definition of tunnel

  1. :  a bodily channel—see carpal tunnel






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