1. plural of propeller; rotating devices with blades that push against air or water to move aircraft or boats forward

Examples

• The airplane’s twin propellors spun rapidly before takeoff.
• The boat’s propellors churned the water as it accelerated.
• Maintenance crews inspected all four propellors on the cargo plane.
• The submarine’s propellors were designed for silent operation.
• Ice had damaged both propellors during the Arctic expedition.
• The vintage aircraft still used its original wooden propellors.