Conductor meaning : One who conducts or leads; a guide; a director. A person who conducts an orchestra, choir or other music ensemble; a professional whose occupation is conducting. A person who takes tickets on public transportation and also helps passengers Something that can transmit electricity, heat, light or sound. An ideal of a ring that measures how far it is from being integrally closed A grooved sound or staff used for directing instruments, such as lithontriptic forceps; a director. A leader.