The most common and most likely answer to this crossword clue is the 4 letter word ATOP
A
T
O
P
More clues leading to the result ATOP
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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 ATOP mean?
ATOP adverb- On, to, or at the top.
- On the top of.
- On the top, with "of".