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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The Flip has a Mode button on its fuselage, on the right side between the two propellers relative to the drone's camera facing you. PCMAG, 14 Jan. 2025 Using a steam engine to turn a large propeller, his invention lifted off from the Paris Hippodrome and flew through the air for roughly 20 miles, per Encyclopedia Britannica. Sarah Kuta, Smithsonian Magazine, 6 Jan. 2025 More fuel-efficient propellers or fully -electric propulsion vessels also help lower fuel consumption. Heather Farmbrough, Forbes, 31 Dec. 2024 Their motor powered a carbon fiber propeller, sporting three 4.5-foot blades. Owen Clarke, Outside Online, 30 Dec. 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 20 Jan. 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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