conductor

Meanings

1. 1
   noun

   The person who leads an orchestra or other musical group.

   The conductor raised his baton and the music began.

2. 2
   noun

   A material that lets electricity or heat pass through it.

   Metal is a much better conductor of heat than wood.

3. 3
   noun

   A person who collects tickets or fares on a bus or train.

   The conductor came down the aisle checking everyone's tickets.

Borrowed from Middle French conductour, from Old French conduitor, from Latin conductor.

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