conduit KON-doo-it noun WS #9

a channel or pipe for conveying water or other fluid; a tube or duct for enclosing electric wires or cables; a means by which something is transmitted or communicated

1. The electrical conduit ran along the ceiling of the basement.
2. The organization functions as a conduit for donations to reach those in need.
3. The river creates a natural conduit through the mountain range.
4. Natural caves serve as conduits for underground water.
5. The ambassador acted as a conduit for communication between the two governments.