The most common and most likely answer to this crossword clue is the 11 letter word FOUR-POSTER
I've seen this crossword clue in The Guardian
F
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P
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More clues leading to the result FOUR-POSTER
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.
What does FOUR-POSTER mean?
FOUR-POSTER noun- A four-poster bed, which has four high posts, one at each corner, supporting a canopy.
- (of a bed) Having four vertical columns, one in each corner, that support a tester, so that curtains can be hung to exclude draughts from the sleeper.