conduit

noun6

1. •
   A channel or pathway through which something is conducted, carried, etc.
2. •
   A pipe or channel for conveying water, etc.

   • This channel is a conduit to send the excess water back to the millpond.
3. •
   A duct or tube into which electrical cables may be pulled: electrical conduit.

   • Last week the electricians were running conduit, and this week they'll be pulling cable.
4. •
   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.
5. •
   (figurative) A means by which something is transmitted.

   • The medium considered herself a conduit for messages from the spirit world.
6. •
   An investment vehicle that issues short-term commercial paper to finance long-term off–balance sheet bank assets.