Entry 3 senses Webster, 1913 Conduit /kän'-do͞o-ĭt/ · Con·duit · IPA /ˈkɑnd(j)ʊɪt/ 01 n. A pipe, canal, channel, or passage for conveying water or fluid. 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. A structure forming a reservoir for water.(Arch.) 3. A narrow passage for private communication.