Wiktionary:Word of the day/2023/May 24

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nacelle n

(aviation) The compartment that holds passengers on a dirigible, hot-air balloon, or other aerostat; a gondola. A separate streamlined enclosure mounted on an aircraft to house, originally, an engine, and now also cargo or crew. (archaic) The cockpit of an aircraft. (by extension) A hollow boat-shaped structure. An enclosure housing machinery or a motor. (electrical engineering) The part between the rotor and tower of a wind turbine. (nautical) The submersed providers of buoyancy of a SWATH-hulled boat. (road transport) A streamlined enclosure on the body or dashboard of a motor vehicle.

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