1. (n.) One who, or that which, conducts; a leader; a commander; a guide; a manager; a director.

2. (n.) One in charge of a public conveyance, as of a railroad train or a street car.

3. (n.) The leader or director of an orchestra or chorus.

4. (n.) A substance or body capable of being a medium for the transmission of certain forces, esp. heat or electricity; specifically, a lightning rod.

5. (n.) A grooved sound or staff used for directing instruments, as lithontriptic forceps, etc.; a director.

6. (n.) Same as Leader.

Kapellmeister Mahdi administrator agent baggage man bakehead band leader band major bandmaster bell cow bell mare bellwether bodyguard born leader brakeman brakie butcher cavalier chaperon charismatic leader choirmaster choragus companion conductance conduction conductivity convoy coryphaeus deputy dielectric directeur director dispatcher driver drum major duce duenna electric conduction engineer escort esquire fellow traveler file leader fireman footplate man forerunner fugleman functionary gas conduction governor guard handler impresario inspired leader insulator intendant ionic conduction leader leader of men lineman liquid conduction manager manipulator messiah metallic conduction mho nonconductor operant operative operator orchestra leader pacemaker pacesetter photoconduction pilot porter precentor producer railroad man railroader rector redcap responsible person ringleader runner safe-conduct semiconductor shepherd smoke agent squire standard-bearer stationmaster steersman stoker supercargo superconductivity superconductor swain switchman symphonic conductor torchbearer trainboy trainman trainmaster usher yardman yardmaster