conduit

Short definition from Wiktionary

Noun

1. 1
   A channel or pathway through which something is conducted, carried, etc: A pipe or channel for conveying water, etc.
2. 2
   A channel or pathway through which something is conducted, carried, etc: A duct or tube into which electrical cables may be pulled: electrical conduit.
3. 3
   A channel or pathway through which something is conducted, carried, etc: Any pattern, typically composed of still lifes or oscillators, used to transfer an active region to another location without being destroyed or permanently modified in the process.
4. 4
   A channel or pathway through which something is conducted, carried, etc: A means by which something is transmitted.
5. 5
   A channel or pathway through which something is conducted, carried, etc: An investment vehicle that issues short-term commercial paper to finance long-term off–balance sheet bank assets.