The most common and most likely answer to this crossword clue is the 8 letter word CHERRIES
I've seen this crossword clue in The Daily Telegraph
C
H
E
R
R
I
E
S
Buddy explains!

The straight part
We know that "Fruit" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fruit = cherries.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 CHERRIES mean?
CHERRIES noun- (British) A rail-gap indicator
- A small fruit, usually red, black or yellow, with a smooth hard seed and a short hard stem.
- Prunus subg. Cerasus, trees or shrubs that bear cherries.
- The wood of a cherry tree.
- (color) Cherry red.
- Virginity, especially female virginity as embodied by a hymen.
- A subtree consisting of a node with exactly two leaves.
- A cricket ball.
- Cherrytop.
- Burning tip of a cigarette.