na·​celle | \nə-ˈsel \

Definition of nacelle 

: a streamlined enclosure (as for an engine) on an aircraft

Examples of nacelle in a Sentence

Recent Examples on the Web

Because of the tilt rotor design, which places two large propellers and engine nacelles to the left and right of the fuselage, machine guns cannot be safely fired from the side of the aircraft. Kyle Mizokami, Popular Mechanics, "The Military Wants a Forward-Firing Gun for the Osprey," 1 June 2018 And before the electricity leaves the tower, a transformer inside the nacelle steps it up from 690 volts to 34.5 kilovolts. Matt Allyn, Popular Mechanics, "The Wind Catchers," 6 Feb. 2018 With a composite fan more than 11 feet in diameter tucked inside a 14-and-a-half foot nacelle, General Electric's GE9X is the biggest jet engine in the world. Jay Bennett, Popular Mechanics, "The World's Largest Jet Engine Is Getting Ready to Fly," 27 Nov. 2017 The company will spend about $1 million to start up an operation that builds and installs jet engine nacelles, the components that wrap around a jet engine. Lawrence Specker,, "Mobile County approves aerospace company incentives," 11 Dec. 2017 Boeing decided two years ago to make some of its own nacelles after years of buying them. Doug Cameron, WSJ, "Boeing, Airbus Look to Land Profits by Making Their Own Aircraft Parts," 8 Sep. 2017 Take the airplane manufacturers’ recent entry into nacelle production. Doug Cameron, WSJ, "Boeing, Airbus Look to Land Profits by Making Their Own Aircraft Parts," 8 Sep. 2017 According to a Chamber news release, the company will produce and install aircraft engine nacelles at the site. Lawrence Specker,, "Safran USA to open manufacturing facility in Mobile," 17 Aug. 2017 Black smoke and flames poured from the left engine nacelle. Eric Tegler, Popular Mechanics, "Eight decades after its first flight, the DC-3 remains an aviation legend.," 8 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nacelle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of nacelle

1904, in the meaning defined above

History and Etymology for nacelle

French, literally, small boat, from Late Latin navicella, diminutive of Latin navis ship — more at nave

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The first known use of nacelle was in 1904

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Nglish: Translation of nacelle for Spanish Speakers

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