Propeller
Definition 1 of 2

Mechanical Context
Used for parts of machines that move, especially in boats and airplanes.

The mechanic checked the airplane's propeller for damage.
Technical Issues
Often mentioned when there are mechanical issues or maintenance.

The propeller needs to be repaired to make the boat seaworthy again.
Action Implication
Implies a forward or propelling movement in water or air.

As the propeller started spinning, the helicopter lifted off the ground.
Compare with
bladefanbasehelixscrewspinner
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