from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The afterpart of a vehicle.
- n. The part of a vessel abaft midships.
- n. A companion body that trails a satellite or spacecraft.
- n. A section or piece of a launch vehicle, rocket, or spacecraft that enters the atmosphere unprotected behind the nose cone or other body that is protected for entry.
Sorry, no etymologies found.
The afterbody was also swaybacked to allow room for a nacelle to swing over it when the wing was stowed.