Crossword Genius

London Eye? (8,6)

Ross

I believe the answer is:

sherlock holmes

I'm a little stuck... Click here to teach me more about this clue!

This might be a double definition.

'london' is the first definition.
Although both the answer and definition are singular nouns, I cannot understand how one could define the other.

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

Can you help me to learn more?

(Other definitions for sherlock holmes that I've seen before include "Arthur Conan Doyle's detective" , "Fictional detective" , "One who detected" , "solver" , "Violin-playing detective" .)

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