Crossword Genius

Where, dancing, a girl gets nothing right (5)

Ross

I believe the answer is:

floor

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'where dancing a' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how they can define each other.

'girl gets nothing right' is the wordplay.
'girl' becomes 'flo' ().
'gets' says to put letters next to each other.
'nothing' becomes 'O' (O resembles 0).
'right' becomes 'r' (common abbreviation).
'flo'+'o'+'r'='FLOOR'

Can you help me to learn more?

(Other definitions for floor that I've seen before include "Dumbfound" , "Sea bottom; baffle" , "Defeat" , "Stump" , "Knock down - planking" .)

I've seen this clue in the Evening Standard.
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