The most common and most likely answer to this crossword clue is the 9 letter word PALISADES
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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 PALISADES mean?
PALISADES noun- A long, strong stake, one end of which is set firmly in the ground, and the other sharpened.
- A wall of wooden stakes, used as a defensive barrier.
- A line of cliffs, especially one showing basaltic columns.
- An even row of cells. e.g.: palisade mesophyll cells.