from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The structure of an aircraft, such as an airplane, helicopter, or rocket, exclusive of its power plant.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The main body and structure of an aircraft (without the powerplant).
from the GNU version of the Collaborative International Dictionary of English
- n. the framework and covering of an airplane or rocket (excluding the engines).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the framework and covering of an airplane or rocket (excluding the engines)
air + frame (Wiktionary)