Crossword Genius

Sounds like respiratory trouble in the chest (6)

Ross

I believe the answer is:

coffin

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

'chest' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe you can see a link between them that I can't see?

'sounds like respiratory trouble in' is the wordplay.
I cannot quite understand how this works, but
'in' is found in the answer.
The remaining letters 'coff' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

'the' is the link.

Can you help me to learn more?

(Other definitions for coffin that I've seen before include "Casket for a corpse" , "Sarcophagus" , "Box for burial" , "Body box" , "Box for a corpse" .)

I've seen this clue in The Globe and Mail.
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