The most common and most likely answer to this crossword clue is the 5 letter word MERES
M
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R
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S
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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 MERES mean?
MERES noun- A body of standing water, such as a lake or a pond. More specifically, it can refer to a lake that is broad in relation to its depth. Also included in place names such as Windermere.
- Boundary, limit; a boundary-marker; boundary-line.
- A Maori war-club.