
1) Frame 2) Framework 3) Framing
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https://www.crosswordclues.com/clue/airframe

The airframe of an aircraft is its mechanical structure. It is typically considered to include fuselage, wings and undercarriage and exclude the propulsion system. Airframe design is a field of aerospace engineering that combines aerodynamics, materials technology and manufacturing methods to achieve balances of performance, reliability and cost. ...
Found on
http://en.wikipedia.org/wiki/Airframe

basic structure of an airplane or spacecraft excluding its power plant and instrumentation; its principal components thus include the wings, ... [2 related articles]
Found on
http://www.britannica.com/eb/a-z/a/34

The assembled main structural and aerodynamic components of a vehicle, less propulsion systems, control guidance equipment, and payloads. The airframe includes only the basic structure on which equipment is mounted.
Found on
http://www.daviddarling.info/encyclopedia/A/airframe.html

An aircraft's structure without powerplants or aircraft systems.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

the structure of an aircraft without the powerplant. It is generally considered to consist of five principle units
Found on
http://www.sportpilot.org/learntofly/glossary.html

[
n] - the framework and covering of an airplane or rocket (excluding the engines)
Found on
http://www.webdictionary.co.uk/definition.php?query=airframe

The structure of an aircraft, without power plant and systems. See also: Aircraft.
Found on
https://www.encyclo.co.uk/local/20687

The structure of an aeroplane without the engine(s).
Found on
https://www.encyclo.co.uk/local/20784
noun the framework and covering of an airplane or rocket (excluding the engines)
Found on
https://www.encyclo.co.uk/local/20974

the framework and external covering of an airplane, rocket, etc.
Found on
https://www.infoplease.com/dictionary/airframe
No exact match found.