Source : Webster's Revised Unabridged Dictionary (1913)

Conduit \Con"duit\ (? or ?; 277), n. [F., fr. LL. conductus
   escort, conduit. See {Conduct}.]
   1. A pipe, canal, channel, or passage for conveying water or
      fluid.

            All the conduits of my blood froze up. --Shak.

            This is the fountain of all those bitter waters, of
            which, through a hundred different conduits, we have
            drunk.                                --Burke.

   2. (Arch.)
      (a) A structure forming a reservoir for water. --Oxf.
          Gloss.
      (b) A narrow passage for private communication.

Source : WordNet®

conduit
     n : a passage (a pipe or tunnel) through which water or electric
         wires can pass; "the computers were connected through a
         system of conduits"