conductor conductor

noun

() the person who leads a musical group  ( director, music director, conductor )
the person who leads a musical group

() the person who collects fares on a public conveyance  ( conductor )
the person who collects fares on a public conveyance

() a substance that readily conducts e.g. electricity and heat  ( conductor )
a substance that readily conducts e.g. electricity and heat

a device designed to transmit electricity, heat, etc.  ( conductor )
a device designed to transmit electricity, heat, etc.