The most common and most likely answer to this crossword clue is the 5 letter word LYRIC
I've seen this crossword clue in The Guardian
L
Y
R
I
C
More clues leading to the result LYRIC
- Short poem, uncommonly rich in part
- Some delightfully rich little poem
- Part of Sicily, richly expressive
- Some suitably rich lines
- Some remarkably rich words for a song
- Cyril composed a bit of verse
- Part of song Cyril botched
- Joely Richardson’s expressing emotions
- Joely Richardson’s helping London theatre
- Poem makes one fairly rich? Not entirely
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 = lyric.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 LYRIC mean?
LYRIC noun- A lyric poem.
- (also in plural) The words of a song or other vocal music. The singular form often refers to a part of the words, whereas the plural form can refer to all of the words.
- Of, or relating to a type of poetry (such as a sonnet or ode) that expresses subjective thoughts and feelings, often in a songlike style
- Of or relating to a writer of such poetry
- Lyrical
- Having a light singing voice of modest range
- Of or relating to musical drama and opera
- Melodious
- Of or relating to the lyre (or sometimes the harp)