Conduit, Definition and Meaning?

conduit

/kŏn′doo͞-ĭt, -dĭt/

noun

1. A pipe or channel for conveying fluids, such as water.
2. A tube or duct for enclosing electric wires or cable.
3. A means by which something is transmitted.an arms dealer who served as a conduit for intelligence data.
4. A connection of a person that may help him in conducting any act.