Crossword Genius

Hide in this processing plant (7)

Ross

I believe the answer is:

tannery

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

'hide in this processing plant' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?

This is all the clue.

Can you help me to learn more?

(Other definitions for tannery that I've seen before include "Leather-processing plant" , "Building involved in making leather" , "Where hides are made into leather" , "Leather works" , "skin treatment facility" .)

I've seen this clue in The Guardian.
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