from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One who conducts, especially:
  • n. One who is in charge of a railroad train, bus, or streetcar.
  • n. Music One who directs an orchestra or other such group.
  • n. Physics A substance or medium that conducts heat, light, sound, or especially an electric charge.
  • n. A lightning rod, as on a house or barn.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One who conducts or leads; a guide; a director.
  • n. A person who conducts an orchestra, choir or other music ensemble; a professional whose occupation is conducting.
  • n. A person who takes tickets on public transportation.
  • n. Something that can transmit electricity, heat, light or sound.
  • n. An ideal of a ring that measures how far it is from being integrally closed
  • n. A grooved sound or staff used for directing instruments, such as lithontriptic forceps; a director.
  • n. A leader.

from the GNU version of the Collaborative International Dictionary of English

  • n. One who, or that which, conducts; a leader; a commander; a guide; a manager; a director.
  • n. One in charge of a public conveyance, as of a railroad train or a street car.
  • n. The leader or director of an orchestra or chorus.
  • n. A substance or body capable of being a medium for the transmission of certain forces, esp. heat or electricity; specifically, a lightning rod.
  • n. A grooved sound or staff used for directing instruments, as lithontriptic forceps, etc.; a director.
  • n. Same as Leader.

from The Century Dictionary and Cyclopedia

  • Specifically, in electricity, a substance through which electric currents can flow.
  • n. One who conducts or escorts; one who goes before or accompanies and shows the way; a leader; a guide.
  • n. Specifically A chief; a commander; one who leads an army.
  • n. A director or manager in general; a regulator.
  • n. The director of a chorus or an orchestra; one who indicates to the performers the rhythm and the expression of a piece of concerted music by means of motions of the hands or of a baton.
  • n. The chief official on a railroad-train, who directs, and is responsible for the execution of orders concerning, the movements of the train, and usually collects tickets or fares; hence, one who performs similar duties on a street-car, etc. The duties of the guard on European railways are similar, but less comprehensive.
  • n. That which conducts or transmits in any manner; specifically, in physics, a body that conducts or transmits through its substance energy in any of its forms: as, metals are conductors of electricity and of heat; water is a good conductor of sound. See conductivity.
  • n. Hence A lightning-rod.
  • n. In surgery, an instrument formerly used in the high operation for stone in the bladder.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a substance that readily conducts e.g. electricity and heat
  • n. the person who leads a musical group
  • n. a device designed to transmit electricity, heat, etc.
  • n. the person who collects fares on a public conveyance


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin conductor.


  • The conductor not indicating anything during this period (rendered somewhat considerable by the extreme slowness of the movement), the players are then entirely left to themselves, _without conductor_; and as the rhythmical feeling is not the same with all, it follows that some hurry, while others slacken, and unity is soon destroyed.

    The Orchestral Conductor Theory of His Art

  • The effects to be considered _depend on the conductor_ employed to complete the communication between the zinc and copper plates of the electromotor; and I shall have to consider this conductor under four different forms: as the helix of an electro-magnet (1056); as an ordinary helix (1053, &c.); as a _long_ extended wire, having its course such that the parts can exert little or no mutual influence; and as a _short_ wire.

    Experimental Researches in Electricity, Volume 1

  • The orchestra conductor is a violinist who has conducted in both the United States and China.

    May « 2010 « L.E. Modesitt, Jr. – The Official Website

  • She says choosing a conductor is always a huge leap of faith.

    Christoph Eschenbach: Husband To A Hundred

  • In other words, the credit card industry will need to find a new train conductor if they want to keep railroading consumers into lawless corporate tribunals.

    Wonk Room » How Minnesota’s AG Saved Consumers From the Credit Card Industry

  • The latter, she decided, would be unfair to the train conductor, and neither would be good for the family.

    Death Becomes Him

  • As the Artistic Director, I am personally going to match all donations up to $5,000 – not because being a choral conductor is a lucrative profession, but because I sincerely believe that the Canadian Chamber Choir deserves to be heard by a wider audience and I too am whole-heartedly committed to making this happen.

    Help the Canadian Chamber Choir make its first professional recording

  • … It's kind of like the conductor is whispering in your ear during a great piece of music telling you what I'm thinking of and what the composer was thinking of that they otherwise wouldn't know.

    Orchestra tweets a symphony

  • Its long-term conductor and architect, Michael Rose, conducted the last concert and gave a moving speech before the final piece was performed.

    Letters: School music coda

  • After this program (which repeats Friday and Saturday at 8 p.m.), the conductor is off for another spate of globe-trotting, including a production of Hindemith's "Mathis der Maler" in Paris with the baritone Matthias Goerne.

    Eschenbach, Mozart, Mahler and the NSO -- getting along famously


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  • that's electric eclectic!

    May 13, 2012

  • "The director of a chorus or an orchestra; one who indicates to the performers the rhythm and the expression of a piece of concerted music by means of motions of the hands or of a baton. The office of conductor in the modern sense was not clearly distinguished from that of leader until about 1800; formerly the leader played an instrument, usually the harpsichord."


    May 13, 2012