Beachwear scattered on grass (7)

I believe the answer is:

sarongs

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'beachwear scattered on grass' is the definition.
I can't tell whether this definition defines the answer.

'scattered on grass' is the wordplay.
'scattered' indicates anagramming the letters.
'on'+'grass'='ongrass'
'ongrass' is an anagram of 'SARONGS'.

Can you help me to learn more?

(Other definitions for sarongs that I've seen before include "Beach wraps" , "garments" .)

I've seen this clue in the Sydney Morning Herald.

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