1. (n.) One who, or that which, drives; the person or thing that urges or compels anything else to move onward.

2. (n.) The person who drives beasts or a carriage; a coachman; a charioteer, etc.; hence, also, one who controls the movements of a locomotive.

3. (n.) An overseer of a gang of slaves or gang of convicts at their work.

4. (n.) A part that transmits motion to another part by contact with it, or through an intermediate relatively movable part, as a gear which drives another, or a lever which moves another through a link, etc. Specifically:

5. (n.) The driving wheel of a locomotive.

6. (n.) An attachment to a lathe, spindle, or face plate to turn a carrier.

7. (n.) A crossbar on a grinding mill spindle to drive the upper stone.

8. (n.) The after sail in a ship or bark, being a fore-and-aft sail attached to a gaff; a spanker.

Jehu Simon Legree Sunday driver absolute monarch absolute ruler agent airscrew all-powerful ruler arrogator autarch autocrat backseat driver boy bullwhacker bus driver busman butler cabby cabdriver cabman caesar cameleer carter cartman charioteer chauffeur coachman coachy cocher cochero commissar conductor czar despot dictator disciplinarian drayman duce elephant driver engineer equerry fan functionary gardener gentleman gharry-wallah gillie hack hackdriver hackman hacky handler hard master harness racer hit-and-run driver houseboy houseman impeller jitney driver joyrider lord-in-waiting mahout man manipulator manservant martinet motorist mule skinner muleteer oligarch operant operative operator oppressor paddle wheel pharaoh pilot piston prop propellant propeller propulsor reinsman road hog rotor runner screw screw propeller skinner slave driver speeder stage coachman steersman stickler taxidriver teamster truck driver trucker truckman turbine twin screws tyrant usurper valet valet de chambre vetturino voiturier wagoner wagonman warlord wheel whip