Crossword Genius

One of the Queen’s dedicated lovers? (5)

Ross

I believe the answer is:

drone

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

'one of the queen's' is the definition.
'drone' can be an answer for 'queen's' (thesaurus). I am unsure of the 'one of the' bit.

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

Can you help me to learn more?

(Other definitions for drone that I've seen before include "Unmanned aircraft" , "Continuous humming sound" , "Idler or male honey-bee" , "fine lady?" , "RPV" .)

I've seen this clue in The Sunday Times.
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