: a streamlined enclosure (as for an engine) on an aircraft
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As this happens, the engine's power is redirected through a conventional jet nozzle at the rear of the nacelle.—David Szondy
march 09, New Atlas, 9 Mar. 2026 Safran Nacelles manufactures nacelles for short, medium and long-range commercial aircraft.—Ian King, CNBC, 25 Feb. 2026 Hybrid power unlocks the design Omen uses a tailsitter configuration with sail-plane wings, canards, and twin-boom nacelles.—Aamir Khollam, Interesting Engineering, 13 Nov. 2025 Companies such as Siemens Gamesa and GE manufacture blades, towers and nacelles in U.S. facilities.—Monica Sanders, Forbes.com, 31 July 2025 See All Example Sentences for nacelle
Word History
Etymology
French, literally, small boat, from Late Latin navicella, diminutive of Latin navis ship — more at nave