Crossword Genius

A rope braided for amusement (5)

Ross

I believe the answer is:

opera

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

'amusement' is the definition.
Although both the answer and definition are singular nouns, I can't understand how they can define each other.

'a rope braided' is the wordplay.
'a rope' can be anagrammed to 'OPERA'.
However, I am not sure how this is indicated.

'for' is the link.

Can you help me to learn more?

(Other definitions for opera that I've seen before include "eg Otello" , "10 [NORMA], for example" , "Carmen, perhaps" , "Musical dramatic work" , ""Rigoletto", for example" .)

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