Crossword Genius

Disorder in a handcar - a scorpion? (10)

Ross

I believe the answer is:

arachnidan

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'a scorpion?' is the definition.
Both the definition and answer are singular nouns.
Maybe there's an association between them I don't understand?

'disorder in a handcar' is the wordplay.
'disorder' indicates anagramming the letters (a disordered version of the letters).
'in'+'a'+'handcar'='inahandcar'
'inahandcar' anagrammed gives 'ARACHNIDAN'.

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I've seen this clue in The Independent.
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