n. Conduct; guidance; escort: in this sense now conduct.n. A medium or means of conveying; anything serving as a channel for passage or transmission.n. A pipe, tube, or other channel for the conveyance of water or other fluid.n. A natural or artificial reservoir or source whence water is distributed; specifically, the former name of fountains built for this purpose.n. A narrow walled passage, usually under ground, for the purpose of secret communication between apartments.To lead; conduct; guide.To convey, conduct, or transmit by or as by a conduit.n. A form of vocal composition: same as conductus, 1.n. Same as copula, 9.