The most common and most likely answer to this crossword clue is the 4 letter word DATE
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More clues leading to the result DATE
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 = date.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 DATE mean?
DATE noun- The fruit of the date palm, Phoenix dactylifera, somewhat in the shape of an olive, containing a soft, sweet pulp and enclosing a hard kernel.
- The date palm.
- The addition to a writing, inscription, coin, etc., which specifies the time (especially the day, month, and year) when the writing or inscription was given, executed, or made.
- A specific day in time at which a transaction or event takes place, or is appointed to take place; a given point of time.
- A point in time.
- Assigned end; conclusion.
- Given or assigned length of life; duration.
- A pre-arranged meeting.
- One's companion for social activities or occasions.
- A romantic meeting or outing with a lover or potential lover, or the person so met.
- To note the time or place of writing or executing; to express in an instrument the time of its execution.
- To note or fix the time of (an event); to give the date of.
- To determine the age of something.
- To take (someone) on a date, or a series of dates.
- (by extension) To have a steady relationship with; to be romantically involved with.
- (by extension) To have a steady relationship with each other; to be romantically involved with each other.
- To make or become old, especially in such a way as to fall out of fashion, become less appealing or attractive, etc.
- (with from) To have beginning; to begin; to be dated or reckoned.