Crossword Genius

Corporation curtailed alarm (4)

Ross

I believe the answer is:

bell

'alarm' is the definition.
(thesaurus)

'corporation curtailed' is the wordplay.
'corporation' becomes 'belly' ('belly' can be a synonym of 'corporation').
'curtailed' means to remove the last letter.
'belly' with its last letter removed is 'BELL'.

(Other definitions for bell that I've seen before include "Tinkler" , "kind of curve" , "Chime" , "bicycle accessory" , "pen name" .)

I've seen this clue in The Independent.
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