Crossword Genius

Capital place where an old serviceman is always looked up to (9,6)

Ross

I believe the answer is:

trafalgar square

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'capital place' is the definition.
(site in London)

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

Can you help me to learn more?

(Other definitions for trafalgar square that I've seen before include "somewhere in London" , "ground near Charing Cross" , "Public space in central London" .)

I've seen this clue in The Telegraph.
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