Meaning & Definition of word "Propeller"

noun:

• 1. A device with blades that rotates to produce thrust, often used in aircraft or boats.
  • Example: The airplane's propeller spun rapidly as it prepared for takeoff.
• 2. A similar device used to drive a vehicle through water.
  • Example: The boat's propeller churned the water as it sped across the lake.
• 3. A multiple-bladed device that converts rotational motion into thrust.
  • Example: The helicopter's propeller lifted it off the ground with ease.
• 4. Any device that propels or moves something forward.
  • Example: The wind turbine's propeller turned gracefully in the breeze.