1. rotating automatically or by its own power
2. descending in an aircraft with the rotor turning freely due to airflow
Usage: aviation

1. capable of rotating automatically or independently

Examples

• The helicopter was autorotating after engine failure.
• The pilot practiced autorotating maneuvers during training.
• The autorotating blades helped the aircraft land safely.
• The turbine was autorotating in the wind.
• She learned the technique of autorotating during emergency procedures.
• The autorotating mechanism activated when power was lost.