| Conduit 1. (n.) A pipe, canal, channel, or passage for conveying water or fluid. 2. (n.) A structure forming a reservoir for water. 3. (n.) A narrow passage for private communication. Thesaurus Entries access, adit, aisle, alley, ambulatory, aperture, aqueduct, arcade, artery, avenue, canal, channel, cloister, colonnade, communication, connection, corridor, course, covered way, defile, ditch, duct, egress, entrance, exit, ferry, ford, gallery, ingress, inlet, interchange, intersection, junction, lane, opening, outlet, overpass, pass, passage, passageway, portico, railroad tunnel, traject, trajet, trench, trough, troughing, troughway, tunnel, underpass, watercourse, way |