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It receives word of a murder that's been arranged (7)

Ross

I believe the answer is:

eardrum

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'it receives word' is the definition.
The definition suggests a singular noun which matches the answer.

'a murder that's been arranged' is the wordplay.
'that's been arranged' is an anagram indicator.
'a'+'murder'='amurder'
'amurder' is an anagram of 'EARDRUM'.

'of' is the link.

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(Other definitions for eardrum that I've seen before include "Vibrating membrane in the head" , "Rude ram (anag.)" , "Listener partly" , "Otic membrane" , "Tympanic membrane" .)

I've seen this clue in The Globe and Mail and The Telegraph.
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