The most common and most likely answer to this crossword clue is the 8 letter word MORELLOS
I've seen this crossword clue in The Times
M
O
R
E
L
L
O
S
Buddy explains!
The straight part
We know that "Cherries" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cherries = morellos.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 MORELLOS mean?
MORELLOS noun- A variety of cultivated cherry, Prunus cerasus 'austera', having a dark skin