Noun conductor has 4 senses
  1. conductor, music director, director - the person who leads a musical group
    --1 is a kind of musician
    --1 has particulars:
     bandleader; bandmaster; drum major; drum majorette; Bernstein, Leonard Bernstein; Britten, Benjamin Britten, Edward Benjamin Britten, Lord Britten of Aldeburgh; Fiedler, Arthur Fiedler; Hindemith, Paul Hindemith; Koussevitzky, Serge Koussevitzky, Sergei Aleksandrovich Koussevitzky; Lambert, Constant Lambert, Leonard Constant Lambert; Mahler, Gustav Mahler; Ormandy, Eugene Ormandy; Ozawa, Seiji Ozawa; Stokowski, Leopold Stokowski, Leopold Antoni Stanislaw Stokowski; Szell, George Szell; Toscanini, Arturo Toscanini; Walter, Bruno Walter; Weber, Carl Maria von Weber, Baron Karl Maria Friedrich Ernst von Weber; Wood, Sir Henry Wood, Sir Henry Joseph Wood
    Derived form: verb conduct6
  2. conductor - a device designed to transmit electricity, heat, etc.
    --2 is a kind of
    --2 has particulars:
     busbar, bus; cable, line, transmission line; cord, electric cord; electrode; heat sink; lightning rod, lightning conductor; semiconductor device, semiconductor unit, semiconductor; shunt, electrical shunt, bypass; waveguide, wave guide; wire, conducting wire
    Derived form: verb conduct4
  3. conductor - a substance that readily conducts e.g. electricity and heat
    --3 is a kind of
    material, stuff
    Antonyms: insulator, dielectric, nonconductor
    --3 has particulars:
     copper, Cu, atomic number 29; silver, Ag, atomic number 47; semiconductor, semiconducting material
    Derived form: verb conduct4
  4. conductor - the person who collects fares on a public conveyance
    --4 is a kind of
    collector, gatherer, accumulator
    --4 has particulars: conductress