Crossword Genius

Right to avoid description of motorway for description of flying (6)

Ross

I believe the answer is:

aerial

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'right' is the definition.
The answer and definition can be both acts as well as being singular nouns.
Maybe you can see a link between them that I don't see?

I don't understand how the remainder of the clue works.

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(Other definitions for aerial that I've seen before include "Rod or antenna for receiving signals" , "Ethereal" , "Device for sending or receiving signals" , "It picks up radio waves" , "Antenna; of the air" .)

I've seen this clue in The Times.
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