conductor
/kənˈdʌktər/ · con·duc·tor
noun
- A person responsible for leading a group of people, such as a choir or an orchestra. The conductor raised his baton to signal the start of the symphony.
- A person in charge of a train or other vehicle, responsible for its safe operation. The conductor checked the tickets of all passengers before allowing them to board the train.
- A substance that helps to conduct electricity or heat, often used in electronics or engineering. The conductor in the electrical circuit was made of copper wire.
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Did you know? The term 'conductor' is also used in physics to describe a material that allows the flow of electric current or heat, such as a metal wire.