na·​celle | \ nə-ˈsel How to pronounce nacelle (audio) \

Definition of nacelle

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

Examples of nacelle in a Sentence

Recent Examples on the Web

The set also features adjustable and motorized turbine blades and a movable nacelle with aircraft warning lights. Avery Thompson, Popular Mechanics, "Put Renewable Energy On Your Desk With a Lego Wind Turbine," 26 Sep. 2018 The engine includes a composite fan more than 11 feet in diameter, tucked into a 14-and-a-half-foot engine capsule, or nacelle. Sam Blum, Popular Mechanics, "The Biggest Jet Engines in History Are Finally Ready to Power Boeing's Biggest Plane," 4 Jan. 2019 Momentum purchased the wind farm and upgraded the nacelles, blades, and control systems while leaving the towers, foundations, and transmission equipment. Megan Geuss, Ars Technica, "Offshore, Act Two: New owner repowers 20-year-old wind farm off Swedish coast," 30 Dec. 2018 Workers watch the unveiling of a nacelle for a wind turbine at the inauguration of a Siemens Gamesa plant in northern Germany. Erin Ailworth, WSJ, "The Race to Build a Wind Behemoth," 24 Aug. 2018 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

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.

See More

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

Keep scrolling for more

Learn More about nacelle

Dictionary Entries near nacelle








Statistics for nacelle

Last Updated

31 Mar 2019

Look-up Popularity

Time Traveler for nacelle

The first known use of nacelle was in 1904

See more words from the same year

More from Merriam-Webster on nacelle

Rhyming Dictionary: Words that rhyme with nacelle

Nglish: Translation of nacelle for Spanish Speakers

Comments on nacelle

What made you want to look up nacelle? Please tell us where you read or heard it (including the quote, if possible).


using a distributed computer network

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!