The most common and most likely answer to this crossword clue is the 6 letter word CITIES
I've seen this crossword clue in Independent
C
I
T
I
E
S
Buddy explains!
The straight part
We know that "Nice Bordeaux?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case nice bordeaux? = cities.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 CITIES mean?
CITIES noun- A large settlement, bigger than a town; sometimes with a specific legal definition, depending on the place.
- A settlement granted special status by royal charter or letters patent; traditionally, a settlement with a cathedral regardless of size.
- The central business district; downtown.
- A large amount of something (used after the noun).