elevon

elevon

[el-uh-von]
noun Aeronautics.
a control surface functioning both as an elevator and as an aileron.

Origin:
1940–45; elev(ator) + (ailer)on

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World English Dictionary
elevon (ˈɛlɪˌvɒn)
 
n
an aircraft control surface that combines the functions of an elevator and aileron, usually fitted to tailless or delta-wing aircraft
 
[C20: from elev(ator) + (ailer)on]

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