Crossword Genius

Concerned with sound coins, perhaps (5)

Ross

I believe the answer is:

sonic

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

'concerned with sound' is the definition.
I can't tell whether this defines the answer.

'coins perhaps' is the wordplay.
'perhaps' indicates an anagram.
'coins' with letters rearranged gives 'SONIC'.

Can you help me to learn more?

(Other definitions for sonic that I've seen before include "Type of boom" , "Involving sound waves, say a boom" , "Hedgehog" , "Producing sound" , "Using waves" .)

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