noun tun·nel \ˈtə-nəl\

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

Full Definition of TUNNEL

:  a hollow conduit or recess :  tube, well
a :  a covered passageway; specifically :  a horizontal passageway through or under an obstruction
b :  a subterranean gallery (as in a mine)
c :  burrow
tun·nel·like \-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



: to make a tunnel

tunneled or tunnelledtunnel·ing or tunnel·ling \ˈtən-liŋ, ˈtə-nəl-iŋ\

Full Definition of TUNNEL

intransitive verb
:  to make or use a tunnel
physics :  to pass through a potential barrier <electrons tunneling through an insulator between semiconductors>
transitive verb
:  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 \ˈtən-lər, ˈtə-nəl-ər\ noun

Examples of TUNNEL

  1. Workers are tunneling through the hill.
  2. Insects had tunneled into the tree.

First Known Use of TUNNEL


Rhymes with TUNNEL


noun tun·nel \ˈtən-əl\   (Medical Dictionary)

Medical Definition of TUNNEL

:  a bodily channel—see carpal tunnel


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