The most common and most likely answer to this crossword clue is the 6 letter word RONDEL
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The straight part
We know that "some poetry" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case some poetry = rondel.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RONDEL mean?
RONDEL noun- A metric form of verse using two rhymes, usually fourteen 8- to 10-syllable lines in three stanzas, with the first lines of the first stanza returning as refrain of the next two.
- The verse form rondeau.
- A rondelle, (small) circular object.
- A long thin medieval dagger with a circular guard and a circular pommel (hence the name).
- A small round tower erected at the foot of a bastion.