conductor
noun
[ kənˈdʌktə ]
• a person who directs the performance of an orchestra or choir.
• "he was appointed principal conductor of the Berlin Symphony Orchestra"
• a person who collects fares and sells tickets on a bus.
• a material or device that conducts or transmits heat or electricity, especially when regarded in terms of its capacity to do this.
• "most polymers are poor conductors"
• a person who is trained to provide conductive education.
Origin:
late Middle English (denoting a military leader): via Old French from Latin conductor, from conducere ‘bring together’ (see conduct).
