Sudden cry of ox maniac let loose (11)

I believe the answer is:

exclamation

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'sudden cry' is the definition.
'exclamation' can be an answer for 'cry' (I have seen 'excited cry' mean 'exclamation' so perhaps 'cry' could also mean 'exclamation'). I'm not sure about the 'sudden' bit.

'ox maniac let loose' is the wordplay.
'loose' indicates anagramming the letters (letters are loosened from their original positions).
'ox'+'maniac'+'let'='oxmaniaclet'
'oxmaniaclet' anagrammed gives 'EXCLAMATION'.

'of' is the link.

Can you help me to learn more?

(Other definitions for exclamation that I've seen before include "Sudden remark of pain or surprise" , "Outburst" , "mark" , "excited cry" .)

I've seen this clue in The Times.

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