Shaft

A shaft can be

• a hole in the earth typically used for mineral extraction, such as mining. Mineshafts will normally be vertical, man-made structures. (See also pitch (vertical space)).
• a long cylindrical piece of metal, typically found in motors, machines etc.; axles or driveshafts, for example.
• the long cylindrical section of an architectural column between the base and the capital.
• a vertical space inside a building used to conduct pipes, conduits, or cables between floors. Elevators also travel in shafts; see Elevator shaft. See also Shafting.
• a modern vulgarism meaning penis.

Shaft can also refer to

• a 1971 film and a 2000 sequel, see Shaft (1971 movie) and Shaft (2000 movie).