tunnel
- Noun. An underground or underwater passage.
- Noun. A passage through or under some obstacle.
- Noun. A hole in the ground made by an animal, a burrow.
- Verb. (transitive) To make a tunnel through or under something, to burrow.
- Verb. (intransitive) To make a tunnel.
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This entry was last updated on RefTopia from its source on 3/20/2012.