Crossword Genius

Wild animal in European capital starts to scare Brits off (4)

Ross

I believe the answer is:

lion

'wild animal' is the definition.

I don't understand the remainder of the clue.

(Other definitions for lion that I've seen before include "Carnivorous 6" , "King of sorts" , "Leo" , "Sought after celebrity (showing great strength and courage?)" , "Animal which Judah is described as" .)

I've seen this clue in The Times.
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