British animal? (4)

I believe the answer is:

lion

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This could be a double definition.

'british' is the first definition.
The answer and definition can be both people as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'animal?' is the second definition.
(thesaurus)

Can you help me to learn more?

(Other definitions for lion that I've seen before include "King of sorts" , "cowardly character in Oz" , "King of the jungle" , "Simba, for example" , "Large cat; rugby player" .)

I've seen this clue in the Evening Standard.

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