nacelle

 A small boat.  [Webster 1913 Suppl.]

 The basket suspended from a balloon; hence, the framework forming the body of a dirigible balloon, and containing the machinery, passengers, etc.  [Webster 1913 Suppl.]

 A streamlined enclosure on an airplane, as for the engine or for the cargo or passengers; -- formerly used to refer to the boatlike, inclosed body of an airplane which is usually now called the fuselage, and now referring mostly to the enclosure for the engine.  [Webster 1913 Suppl.]