Here, of course, a person can get a duck (4)

I believe the answer is:

oval

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'here of course' is the definition.
'oval' can be an answer for 'course' (thesaurus). I am not sure about the 'here of' bit.

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for oval that I've seen before include "Shape of 25" , "Curved shape" , "Race track" , "London cricket ground" , "Rounded like an egg" .)

I've seen this clue in the Evening Standard.

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