Crossword Genius

Having skill, he gets one right (3)

Ross

I believe the answer is:

art

I'm a little stuck... Click here to teach me more about this clue!

'having skill he' is the definition.
Although both the answer and definition are singular nouns, I don't see how they can define each other.

'one right' is the wordplay.
'one' becomes 'a' (a thing is one thing).
'right' becomes 'rt' (abbreviation as in Rt Hon- the Right Honourable).
'a'+'rt'='ART'

'gets' acts as a link.

Can you help me to learn more?

(Other definitions for art that I've seen before include "Creative works; knack" , "Trickery" , "Skill in a specified thing" , "eg Painting" , "Work such as painting or sculpture" .)

I've seen this clue in the Evening Standard.
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