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.
The ski boat was floating in the main channel, around 300 yards away from the marina — and Foran was trapped underneath the boat by its propeller, the department said. Miami Herald, 6 July 2025 Whitney and Brent told CBS News Texas that the propeller nearly sliced off the lower half of Brent's body. Erin Clack, People.com, 5 July 2025 The yacht was beached on Flagler Monument Island in Miami Beach, and while passengers were swimming, Alvarez started the engines and accelerated them in reverse, catching a passenger in the propellers and killing him. Angie Dimichele, Sun Sentinel, 3 July 2025 Approach with caution – The Coast Guard warns people trying to help others in trouble to keep engines off when people are in the water, watch for propellers, and maintain safe distance. Veronica Fernandez-Alvarado, Sacbee.com, 24 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

Browse Nearby Words

Cite this Entry

“Propeller.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/propeller. Accessed 21 Jul. 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

More from Merriam-Webster on propeller

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