A vessel with a broad mouth at one end, a pipe or tube at the other, for conveying liquor, fluids, etc., into casks, bottles, or other vessels; a funnel.
- An underground or underwater passage.
- A passage through or under a barrier.
- Obsolete The main flue on a chimney.
- To make a tunnel through or under.
- To produce, shape, or dig in the form of a tunnel.
- To make a tunnel.