Crossword Genius

Hoard of money picked up by listeners (5)

Ross

I believe the answer is:

cache

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'hoard' is the definition.
(both can mean a stock of things)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for cache that I've seen before include "Hidden storage space" , "Treasury" , "Hiding place for treasure or store" , "Reserve" , "Concealed store" .)

I've seen this clue in The Times.
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