The most common and most likely answer to this crossword clue is the 4 letter word PEAS
P
E
A
S
More clues leading to the result PEAS
Buddy explains!

The straight part
We know that "Vegetables" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case vegetables = peas.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 PEAS mean?
PEAS noun- A plant, Pisum sativum, member of the legume (Fabaceae) family.
- The edible seed of some of these plants.
- A ball travelling at high velocity.
- (Indiana) Any of the small numbered balls used in a pea shake game.
- Any of several varieties of bean.
- A peafowl
- Wampum.
- A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap.
- The highest value reached by some quantity in a time period.
- The top, or one of the tops, of a hill, mountain, or range, ending in a point.
- The whole hill or mountain, especially when isolated.
- The upper aftermost corner of a fore-and-aft sail.
- The narrow part of a vessel's bow, or the hold within it.
- The extremity of an anchor fluke; the bill.
- A local maximum of a function, e.g. for sine waves, each point at which the value of y is at its maximum.