Uncovers men boxing men, striking head (7)

I believe the answer is:

denudes

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'uncovers' is the definition.
Although both the answer and definition are verbs in their -s form, I don't understand how one could define the other.

'men boxing men striking head' is the wordplay.
'men' becomes 'dudes' (dude is a kind of man).
'boxing' is an insertion indicator ('box' can mean contain, as in to put in a box).
'striking head' means to remove the first letter (strike out or remove the first letter).
'men' with its initial letter taken off is 'en'.
'dudes' enclosing 'en' is 'DENUDES'.

Can you help me to learn more?

(Another definition for denudes that I've seen is " Lays bare".)

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