Crossword Genius

Sound made by a worn receiver (5)

Ross

I believe the answer is:

bleep

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

'sound' is the definition.
(I know that bleep is a type of sound)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for bleep that I've seen before include "Sharp electronic sound" , "Electronic sound (used over profanities)" , "High-pitched signal from device - you're needed" , "Page" , "Swearing substitute" .)

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