Cryptic crossword clue
One meaning of cove is “a curved junction of wall and ceiling” architecture

The most common and most likely answer to this crossword clue is the 1 plus 5 plus 14 letter word 4 WATER BUTT/FOREGOING

I've seen this crossword clue in The Guardian
4
W
A
T
E
R
B
U
T
T
/
F
O
R
E
G
O
I
N
G

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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.
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