Dry sausage caught by software that's unreliable, mostly (7)

I believe the answer is:

chorizo

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'dry sausage' is the definition.
'chorizo' can be an answer for 'sausage' (type of sausage). I'm unsure of the 'dry' bit.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for chorizo that I've seen before include "food from the deli" , "Highly-seasoned sausage" , "Spicy Spanish pork sausage" , "foreign meat" , "Highly seasoned sausage" .)

I've seen this clue in The Independent.

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