a person who stands in front of an orchestra, a group of singers etc., and directs their performance, especially somebody who does this as a profession
رهبر ارکستر, رهبر موسیقی, دیرکتور ارکستر
2
a person who is in charge of a train and travels with it, but does not drive it
مسئول قطار, رئیس قطار
3
a person whose job is to collect money from passengers on a bus or train or check their tickets
متصدی بلیط, مسئول قطار
a bus conductor
4
a substance that allows electricity or heat to pass along it or through it