Crossword Genius

Airline from eastern Russia avoided by Poles (6)

Ross

I believe the answer is:

iberia

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'airline' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

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(Other definitions for iberia that I've seen before include "Spain and Portugal together" , "West European peninsula" , "Overpower, overwhelm" , "Peninsula encompasing Spain and Protugal" , "Spain and Portugal (6)" .)

I've seen this clue in The Independent.
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