Look up nacelle in Wiktionary, the free dictionary.

The word nacelle is derived from the Old French nacele, which means a small boat or dinghy, and was in turn derived from the Latin navicella. Wikipedia does not have an article with this exact name. ... Wiktionary is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... Old French is a term sometimes used to refer to the langue doïl, the continuum of varieties of Romance language spoken in territories corresponding roughly to the northern half of modern France and parts of Belgium and Switzerland during the period roughly from 1000 to 1300 A.D... A boat is a craft or vessel designed to float on, and provide transport over, water. ... Dinghy of the schooner Adventuress A dinghy is a small utility boat attached to a larger boat. ... Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ...

The term is commonly used in the worlds of aviation, nautical and spacecraft design, in order to refer to a covered housing, separate from the fuselage, which usually holds engines, fuel, or equipment. In some cases—most notably the WWII-era P-38 Lightning airplane—the cockpit may also be housed in a nacelle. The covering is typically shaped in an aerodynamic manner. Houses in Fishpool Street, St Albans, England For other meanings of the word house, see House (disambiguation). ... An engine is something that produces some effect from a given input. ... Combatants Allied Powers Axis Powers Casualties Military dead: 17,000,000 Civilian dead: 33,000,000 Total dead: 50,000,000 Military dead: 8,000,000 Civilian dead: 4,000,000 Total dead 12,000,000 World War II (abbreviated WWII), or the Second World War, was a worldwide conflict... The Lockheed P-38 Lightning was a World War II American fighter aircraft. ... This article does not cite its references or sources. ...

• In a jet engine the nacelle is composed of the engine inlet, fan cowl, thrust reverser, and the exhaust nozzle. See Podded engines.

• In ballooning, including that of airships, the nacelle is a suspended basket which contains machinery and passengers. This is the original French use of the term. In English, gondola has replaced its use.

• In a wind turbine, the nacelle refers to the structure on top of the tower which houses all of the generating components.

• In science fiction (along with many other terms of naval origin) it is used to describe various parts of fictional starships. See warp drive in Star Trek series.