Definition of: conductor

(kən·duk′tər) noun
1. One who or that which leads or shows the way; an escort; guide.
2. An officer of a railroad who has charge of a train or car and collects tickets and fares.
3. Any manager or director of a movement or operation; especially, the director of an orchestra or chorus.
4. Any conducting medium, material, or device; a conduit.
5. Any body or medium having sensible conductivity for electricity or heat.
6. A lightning rod.
—con·duc′tor·ship noun
—con·duc′tress noun fem.