The most common and most likely answer to this crossword clue is the 7 letter word ECLOGUE
I've seen this crossword clue in The Times
E
C
L
O
G
U
E
More clues leading to the result ECLOGUE
- Go back in time ultimately with idea for poem
- Obstacle dividing EU and English in country-specific text
- Symbol of Netherlands amongst group of countries shown by European poem
- Pastoral verse, English, with hint about woodland feature
- Poem European leaders wrote at last, overcoming block
- English prompt to store wood in rural work
- Eastern church holds book with Euripides’ second poem
- European part of puzzle about old German literary work
- Pastoral poem in English – contrary effort in one of these?
- At first, even critics lacked objectivity, given unusually explicit verse
Buddy explains!

The straight part
We know that "Poem" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case poem = eclogue.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 ECLOGUE mean?
ECLOGUE noun- A pastoral poem, often in the form of a shepherd's monologue or a dialogue between shepherds.