A macabre giggle disturbed part of airport (7,7)

I believe the answer is:

baggage reclaim

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'part of airport' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'a macabre giggle disturbed' is the wordplay.
'disturbed' indicates anagramming the letters (the order of letters is disturbed).
'a'+'macabre'+'giggle'='amacabregiggle'
'amacabregiggle' with letters rearranged gives 'BAGGAGE RECLAIM'.

Can you help me to learn more?

(Another definition for baggage reclaim that I've seen is " case comes up here?".)

I've seen this clue in The Independent.

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