Crossword Genius

Card blunder from Kentish beauty queen, we gather (7)

Ross

I believe the answer is:

misdeal

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'gather' is the definition.
The answer and definition can be both acts as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for misdeal that I've seen before include "Faulty distribution" , "Wrongly issue" , "Give out the cards wrongly" , "Right hand that isn't" , "Give out cards incorrectly" .)

I've seen this clue in The Guardian.
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