Write a pointed article (3)

I believe the answer is:

pen

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'write' is the definition.
(synonyms)

I cannot understand how the rest of the clue works.

(Other definitions for pen that I've seen before include "'The ... is mightier than the sword'" , "International Association of poets, playwrights etc" , "American jug?" , "Writing implement" , "Female swan" .)

I've seen this clue in the Evening Standard.

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