The most common and most likely answer to this crossword clue is the 4 letter word CAVA
I've seen this crossword clue in The Guardian
C
A
V
A
More clues leading to the result CAVA
- Hoover up a drink
- Wine from Spain that’s ok for the French
- It's OK for Bordeaux to supply sparkling wine
- Sparkling wine in the region of Virginia
- About to introduce museum’s fizzy drink
- One on holiday knocked back fizzy stuff
- How’s it going for Champagne and sparkling wine?
- Spanish drink — it’s okay for the French
- Spanish wine — it’s fine in France
- 50% off Royalist’s wine
Buddy explains!

The straight part
We know that "Spanish wine" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case spanish wine = cava.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 CAVA mean?
CAVA noun- A Spanish white sparkling wine made using the méthode champenoise.
- The vena cava.
- A cavity