nacelle

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nacelle

(nəsĕl`): see airplaneairplane,
 aeroplane,
or aircraft,
heavier-than-air vehicle, mechanically driven and fitted with fixed wings that support it in flight through the dynamic action of the air.
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nacelle

[nə′sel]
(aerospace engineering)
A separate streamlined enclosure on an airplane for sheltering or housing something, as the crew or an engine.
(electricity)
An enclosure containing the electric generating equipment in a wind-energy conversion system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

nacelle

nacelleclick for a larger image
Nacelle.
A small structure, separate from the fuselage, on an aircraft for housing aircrew or engine(s). An engine nacelle usually forms a separate fire resistant bay. The term is applied to streamlined bodies enclosing crew and/or engines mounted on or between the planes of an aircraft. It is a protective aerodynamic enclosure, often used to integrate a podded engine into the wing structure.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved

nacelle

a streamlined enclosure on an aircraft, not part of the fuselage, to accommodate an engine, passengers, crew, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005