propeller

noun

pro·​pel·​ler prə-ˈpe-lər How to pronounce propeller (audio)
variants or less commonly propellor
: one that propels
especially : a device that consists of a central hub with radiating blades placed and twisted so that each forms part of a helical surface and that is used to propel a vehicle (such as a ship or airplane)

Examples of propeller in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As a result, the 42-year-old Texas man nearly had the lower half of his body sliced off by the boat’s propeller. Abigail Adams, People.com, 26 July 2025 When ships pass through these waters, their propellers cause vertical mixing of methane-rich water from the bottom of the ocean, and pressure at the seafloor changes. Abhimanyu Ghoshal, New Atlas, 22 July 2025 And the one time the Lightnin’ gifted an airplane to the fan who threw a paper version closest to the vehicle’s propeller. Emma Moon, Charlotte Observer, 16 July 2025 On January 28, 1948, a twin-engine propeller DC-3 crashed in Los Gatos Canyon (Fresno County, California), resulting in the deaths of 32 people, four Americans (flight crew and security guards) plus 28 migrant farm workers who were being deported from California back to Mexico. Eli Amdur, Forbes.com, 13 June 2025 See All Example Sentences for propeller

Word History

Etymology

propel + -er entry 2

First Known Use

1780, in the meaning defined above

Time Traveler
The first known use of propeller was in 1780

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Cite this Entry

“Propeller.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/propeller. Accessed 3 Aug. 2025.

Kids Definition

propeller

noun
pro·​pel·​ler prə-ˈpel-ər How to pronounce propeller (audio)
: a device consisting of a hub fitted with blades that is made to turn rapidly by an engine and is used especially for propelling airplanes and ships

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