Crossword Genius

How to refer to Queen (introductions to Meghan Markle are repeatedly blocked) (4)

Ross

I believe the answer is:

maam

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

'how to refer to queen' is the definition.
I can't tell whether this defines the answer.

'introductions to meghan markle are repeatedly blocked' is the wordplay.
'introductions to' indicates taking the first letters.
'are' becomes 'a' (short for 'are', historical unit of measurement).
'repeatedly' shows that letters should be duplicated.
'blocked' is an insertion indicator (to block can mean to box in or contain).
The initial letters of 'meghan markle' is 'mm'.
'a' doubled is 'aa'.
'mm' enclosing 'aa' is 'MAAM'.

Can you help me to learn more?

(Other definitions for maam that I've seen before include "Formal address to a lady" , "HRH" , "Form of address to female royalty" , "Form of address to the Queen" , "Respectful address to the Queen" .)

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