Crossword Genius

Being a bit of a dog, is crooked (3)

Ross

I believe the answer is:

leg

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'being' is the definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for leg that I've seen before include "Lower limb" , "Projecting support for chair or table" , "prop" , "Section of journey; limb" , "Member" .)

I've seen this clue in the Evening Standard.
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