Définitions
1.NounOne who conducts or leads; a guide; a director.
2.NounA person who conducts an orchestra, choir or other music ensemble; a professional whose occupation is conducting.
3.NounA person who takes tickets on public transportation and also helps passengers."train conductor; tram conductor"
4.NounSomething that can transmit electricity, heat, light, or sound.
5.NounAn ideal of a ring that measures how far it is from being integrally closed
6.NounA grooved sound or staff used for directing instruments, such as lithontriptic forceps; a director.
7.NounA leader.