Crossword Genius

River of Central Europe (4)

Ross

I believe the answer is:

oder

'river of central europe' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for oder that I've seen before include "East European river" , "River forming northern part of the German-Polish border" , "School blazer insignia" , "River flowing into the Baltic" , "German river that empties into the Baltic Sea" .)

I've seen this clue in The Telegraph.
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