The most common and most likely answer to this crossword clue is the 8 letter word RAMBUTAN
R
A
M
B
U
T
A
N
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The straight part
We know that "fruit /a" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fruit /a = rambutan.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 RAMBUTAN mean?
RAMBUTAN noun- A tree, Nephelium lappaceum, of Southeast Asia.
- The fruit of this tree.