Crossword Genius

Pattern for suit cut around pants (9)

Ross

I believe the answer is:

pinstripe

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

'suit cut around pants' is the definition.
'pinstripe' can be an answer for 'suit' (I've seen this before). I am unsure of the 'cut around pants' bit.

'pattern' is the wordplay.
I cannot really understand how this works, but
'pattern' could be 'stripe' (stripe is a kind of pattern) and 'stripe' is found in the answer.
The remaining letters 'pin' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

'for' acts as a link.

Can you help me to learn more?

(Other definitions for pinstripe that I've seen before include "material" , "Cloth for making suits" , "business suit" , "Fabric - insert pip (anag)" , "maybe a suit" .)

I've seen this clue in The Independent.
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