Crossword Genius

Arguably highbrow point in unnoted opening talk (6,4)

Ross

I believe the answer is:

widows peak

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

'arguably highbrow point' is the definition.
'widow's peak' can be an answer for 'point' (widow's peak is a kind of point). I'm not sure about the 'arguably highbrow' bit.

'unnoted opening talk' is the wordplay.
'unnoted opening' becomes 'widow' (I can't explain this - if you can you should believe this answer much more).
'talk' becomes 'speak' (synonyms).
'widow'+'speak'='WIDOWS PEAK'

'in' acts as a link.

Can you help me to learn more?

(Other definitions for widows peak that I've seen before include "V-shaped hairline" , "Barnet v remaining" .)

I've seen this clue in The Independent.
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