The most common and most likely answer to this crossword clue is the 7 plus 8 letter word BERMUDA TRIANGLE
I've seen this crossword clue in The Guardian
B
E
R
M
U
D
A
T
R
I
A
N
G
L
E
More clues leading to the result BERMUDA TRIANGLE
- Friend, without hesitation, approaches a metal instrument that's feared by sailors?
- A Rembrandt concocted with guile and craft may go missing here
- Married but misbehaving, with view to getting lost here?
- Mystery surrounding Atlantic island takes shape
- Where fighter might disappear in corner after mad brute exploded before start of round one
- One of the British Isles needs alerting about possible danger area
- Surprisingly gain lumber trade in place of what’s disappeared?
- Area of mystery in novel tangible with a murder
- Product of confused dreaming, but real — a once-in-a-lifetime destination?
- Kind of shorts covering figure’s expanse in Caribbean
Buddy explains!
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.