tunnel: Meaning and Definition of

tun•nel

Pronunciation: (tun'l), [key]
— n., v., -neled, -nel•ing -nelled, -nel•ling.
—n.
  1. an underground passage.
  2. a passageway, as for trains or automobiles, through or under an obstruction, as a city, mountain, river, harbor, or the like.
  3. an approximately horizontal gallery or corridor in a mine.
  4. the burrow of an animal.
  5. a funnel.
—v.t.
  1. to construct a passageway through or under: to tunnel a mountain.
  2. to make or excavate (a tunnel or underground passage): to tunnel a passage under a river.
  3. to move or proceed by or as if by boring a tunnel: The river tunneled its way through the mountain.
  4. to pierce or hollow out, as with tunnels.
—v.i.
  1. to make a tunnel or tunnels: to tunnel through the Alps.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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