The most common and most likely answer to this crossword clue is the 7 letter word BOUDOIR
I've seen this crossword clue in The Daily Telegraph
B
O
U
D
O
I
R
More clues leading to the result BOUDOIR
- Bachelor party I held in our room
- Bone up about love before posh party in private quarters
- Second couple from Brazil rejected place to sleep?
- Fight cut short at party next to Irish lady’s place
- Biro duo misplaced in private room
- Bloke holding posh port up in private chamber
- Bishop and Brazilian couple going back for room
- 18
Buddy explains!

The straight part
We know that "room" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case room = boudoir.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 BOUDOIR mean?
BOUDOIR noun- A woman's private sitting room, dressing room, or bedroom.