Crossword Genius

Roaring sounds of puffers (7)

Ross

I believe the answer is:

bellows

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

This might be a double definition.

'roaring sounds' is the first definition.
The answer and definition can be both related to communication as well as being plural nouns.
Maybe there's an association between them I don't understand?

'puffers' is the second definition.
Although both the answer and definition are plural nouns, I don't understand how they can define each other.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for bellows that I've seen before include "Accordion part" , "sings very loudly" , "Fan of fire" , "Air blower for fire" , "Device supplying an organ with air" .)

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app