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
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This hull shape allows the propeller to be larger than the norm yet with the forward- facing pulling propeller on the thruster behind, the revolutions of the propellers is less for higher efficiency and less vibration. Bill Springer, Forbes, 4 Oct. 2024 The propeller will now be compatible with smaller vessels like pontoons and fishing boats. New Atlas, 19 Sep. 2024 Both the centerline propeller and thruster are electric and draw power from an efficient DC electrical grid supplied entirely by fuel cells directly running on methanol produced from renewable source. Bill Springer, Forbes, 4 Oct. 2024 But a slice for breakfast was a great propeller to quickly get ready for school. The Bon Appétit Staff, Bon Appétit, 6 Sep. 2024 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

Dictionary Entries Near propeller

Cite this Entry

“Propeller.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/propeller. Accessed 14 Nov. 2024.

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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