an underground passage.
a passageway, as for trains or automobiles, through or under an obstruction, as a city, mountain, river, harbor, or the like.
an approximately horizontal gallery or corridor in a mine.
the burrow of an animal.
Dialect. a funnel.
to construct a passageway through or under: to tunnel a mountain.
to make or excavate (a tunnel or underground passage): to tunnel a passage under a river.
to move or proceed by or as if by boring a tunnel: The river tunneled its way through the mountain.
to pierce or hollow out, as with tunnels.
to make a tunnel or tunnels: to tunnel through the Alps.
- tun·nel·er; especially British, tun·nel·ler, noun
- tun·nel·like, adjective
- sub·tun·nel, noun
- un·tun·neled, adjective
- un·tun·nelled, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use tunnel in a sentence
In the limited glow he saw the first tunneler clearly enough.The Time Traders | Andre Norton
British Dictionary definitions for tunnel
an underground passageway, esp one for trains or cars that passes under a mountain, river, or a congested urban area
any passage or channel through or under something
a dialect word for funnel
obsolete the flue of a chimney
(tr) to make or force (a way) through or under (something): to tunnel a hole in the wall; to tunnel the cliff
(intr; foll by through, under, etc) to make or force a way (through or under something): he tunnelled through the bracken
- tunneller or US tunneler, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with tunnel
see light at the end of the tunnel.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.