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.
Federal agents have radar, acoustic sensors to detect the distinct noise signature of a drone’s motors and propellers and thermal and optical detection. Richard Winton, Los Angeles Times, 18 June 2026 The factory complements Joby’s existing propeller manufacturing facility at the Dayton International Airport, which has been open since October 2025. Randy Tucker, USA Today, 15 June 2026 The same applies to Hana Airport (HNM), where only small, single-engine propeller planes can fly in or out. Sharael Kolberg, Travel + Leisure, 9 June 2026 For example, Sonic's iconic spin dash is here, as well as Tails' propeller tails and Knuckles' trademark glide. Zackery Cuevas, PC Magazine, 8 June 2026 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 22 Jun. 2026.

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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