'Nacelle' definitions:

Definition of 'nacelle'

(from WordNet)
noun
A streamlined enclosure for an aircraft engine

Definition of 'Nacelle'

From: GCIDE
  • Nacelle \Na*celle"\ (n[.a]*s[e^]l"), n. [F.]
  • 1. A small boat. [Obs.] [Webster 1913 Suppl.]
  • 2. 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.]
  • 3. 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. +PJC]