The most common and most likely answer to this crossword clue is the 8 letter word LAVATORY
I've seen this crossword clue in Financial Times
L
A
V
A
T
O
R
Y
More clues leading to the result LAVATORY
- Can, a container of liquid drunk by bird
- Red flower leaning to the right finds somewhere to go?
- Burning issue with politician in privy chamber
- Party flowing? Rock on, John
- Can the French tax Circle Line?
- Sanitation’s essential: leads to life advances, vitally and as of right
- Can a tax cut look extremely risky?
- Hot stuff! Politician getting something to go on!
- Gushy stuff by right-wing politician in small room?
- Tax invested in restyled royal throne
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 LAVATORY mean?
LAVATORY noun- A vessel or fixture for washing, particularly:
- Handwashing, particularly
- A liquid used in washing; a lotion; a wash; a rinse.
- A washroom: a room used for washing the face and hands.
- A room containing a toilet: a bathroom (US) or WC (UK).
- A plumbing fixture for urination and defecation: a toilet.
- A place to wash clothes: a laundry.
- A place where gold is panned.
- A paved room in a mortuary where corpses are kept under a shower of disinfecting fluid.
- Washing, or cleansing by washing.