verb (used with object), tun·neled, tun·nel·ing or (especially British) tun·nelled, tun·nel·ling.
verb (used without object), tun·neled, tun·nel·ing or (especially British) tun·nelled, tun·nel·ling.
Origin of tunnel
Definition for tunneling (2 of 2)
Origin of tunnel effect
Examples from the Web for tunneling
For centuries, people have been tunneling into the landscape, which proved especially adept at hiding those fleeing persecution.The Secret Life of Cappadocia: Underground in the Turkish Rock Formations|Nina Strochlic|August 22, 2013|DAILY BEAST
By removing a few stones from the wall of this place, we were in a situation to commence the work of tunneling.Sword and Pen|John Algernon Owens
When the tunneling approached its completion, all the other necessary preparations were made.History of Morgan's Cavalry|Basil W. Duke
As soon as the darkness was dense enough to conceal their movements from the guard, the work of tunneling began.Elsie's Womanhood|Martha Finley
It was manifest that though we might succeed in tunneling past one Stockade, we could not go beyond the second one.Andersonville, Volume 3|John McElroy
It was this single factor, one of application rather than invention, that made the mechanical drill feasible for tunneling.
British Dictionary definitions for tunneling (1 of 2)
verb -nels, -nelling or -nelled or US -nels, -neling or -neled
Derived Formstunneller or US tunneler, noun
Word Origin for tunnel
British Dictionary definitions for tunneling (2 of 2)
Medicine definitions for tunneling
Science definitions for tunneling
Idioms and Phrases with tunneling
see light at the end of the tunnel.