an official on a bus who collects fares, checks tickets, etc a person who conducts an orchestra, choir, etc a person who leads or guides a railway official in charge of a train a substance, body, or system that conducts electricity, heat, etc - See lightning conductor
WordReference Random House Learner's Dictionary of American English © 2026
con•duc•tor /kənˈdʌktɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- a person who conducts;
director or manager:a tour conductor. - an employee on a bus, train, or other public transportation who is in charge of its movement and its passengers.
- Music and Dancea person who directs an orchestra, band, or chorus.
- Physicsa substance that readily conducts heat, etc.:a good conductor of electricity.
con•duc•tor
(kən duk′tər),USA pronunciation n.
con•duc•to•ri•al
(kon′duk tôr′ē əl, -tōr′-),USA pronunciation adj.
con•duc′tor•ship′, n.
- a person who conducts; a leader, guide, director, or manager.
- an employee on a bus, train, or other public conveyance, who is in charge of the conveyance and its passengers, collects fares or tickets, etc.
- Music and Dancea person who directs an orchestra or chorus, communicating to the performers by motions of a baton or the hands his or her interpretation of the music.
- Physicsa substance, body, or device that readily conducts heat, electricity, sound, etc.:Copper is a good conductor of electricity.
- ElectricitySee lightning rod.
- Latin as above; see conduit
- Anglo-French, equivalent. to Middle French conduiteur
- Latin (see conduce, -tor); replacing late Middle English cond(u)itour
- 1400–50
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