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