1

tunnel

noun tun·nel \ ˈtə-nᵊl \
Updated on: 21 Nov 2017

Definition of tunnel

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

Recent Examples of tunnel from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tunnel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of tunnel

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


2

tunnel

verb

Definition of tunnel

tunneled or tunnelled; tunneling or tunnelling \ˈtən-liŋ, ˈtə-nᵊl-iŋ\
intransitive verb
1 : to make or use a tunnel
2 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

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.

Recent Examples of tunnel from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tunnel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of tunnel

1795



TUNNEL Defined for English Language Learners

tunnel

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

noun tun·nel \ ˈtə-nᵊl \

Definition of tunnel for Students

: a passage under the ground

2

tunnel

verb

Definition of tunnel for Students

tunneled or tunnelled; tunneling or tunnelling
: to make a passage under the ground

Medical Dictionary

tunnel

noun tun·nel \ ˈtən-ᵊl \

medical Definition of tunnel

: a bodily channel — see carpal tunnel


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