The most common and most likely answer to this crossword clue is the 5 letter word BERRY
B
E
R
R
Y
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 = berry.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 BERRY mean?
BERRY noun- A small succulent fruit, of any one of many varieties.
- A soft fruit which develops from a single ovary and contains seeds not encased in pits.
- A coffee bean.
- One of the ova or eggs of a fish.
- (African American) A police car.
- A dollar.
- To pick berries.
- To bear or produce berries.
- A mound; a barrow.
- A burrow, especially a rabbit's burrow.
- An excavation; a military mine.
- To beat; give a beating to; thrash.
- To thresh (grain).