conductor conductor /kənˈdʌktɝ/

noun

1. () The person who leads a musical group  ( director , music director , kapellmeister , conductor )
   the person who leads a musical group
    The conductor led the orchestra with precision and passion
   The conductor led the orchestra with precision and passion
   
   
2. () The person who collects fares on a public conveyance  ( conductor )
   the person who collects fares on a public conveyance
    The conductor collected tickets from all the passengers.
   The conductor collected tickets from all the passengers.
   
   
3. () A substance that readily conducts e.g. electricity and heat  ( conductor )
   a substance that readily conducts e.g. electricity and heat
   
4. A device designed to transmit electricity, heat, etc.  ( conductor )
   a device designed to transmit electricity, heat, etc.
    Copper is an excellent conductor of electricity.
   Copper is an excellent conductor of electricity.