nacelle
/nəˈsɛl/
noun
- A streamlined enclosure on an aircraft, helicopter, or other vehicle that houses an engine, cargo, or equipment.
- The helicopter's nacelle contains the main gearbox and engine components.
- The mechanic inspected the engine inside the nacelle for any signs of damage.
- Each wing of the airplane has a nacelle that holds one of the jet engines.
- A similar streamlined housing on a wind turbine that contains the generator and other machinery.
- The wind turbine's nacelle sits at the top of the tower and houses the generator.
- Technicians climbed the tower to service the nacelle and replace worn parts.
- Modern wind turbines have a nacelle that can rotate to face the wind.