Conduit
Conduit (? o?; 277) , noun
[French, from Late Latin 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.
This is the fountain of all those bitter waters, of which, through a hundred different conduits, we have drunk.
2.
(a) (Architecture) A structure forming a reservoir for water. — Oxf. Gloss
(b)
A narrow passage for private communication.