Read lot about dancewear (7)

I believe the answer is:

leotard

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'dancewear' is the definition.
I can't judge whether this defines the answer.

'read lot about' is the wordplay.
'about' indicates an anagram.
'read'+'lot'='readlot'
'readlot' is an anagram of 'LEOTARD'.

Can you help me to learn more?

(Other definitions for leotard that I've seen before include "Ballet outfit" , "Do alter the dancer's garment" , "Garment for gymnast" , "Do alter for acrobat's garment" , "Dancer's tight-fitting garment" .)

I've seen this clue in The Sun.

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