The most common and most likely answer to this crossword clue is the 8 letter word DECANTER
I've seen this crossword clue in The Daily Telegraph
D
E
C
A
N
T
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R
More clues leading to the result DECANTER
- Need cart for transporting wine bottle?
- Stoppered vessel, vessel secured by stop!
- Put off carrying container, a stoppered glass
- Put off drinking tin, gets bottle
- Some divide can, terrific source of drink
- Put off about tin container for wine or spirits
- Tilt when boarding does for vessel
- Tin in hamper, second container of 25?
- Stop saving tin bottle
- Vessel having to slow to a trot, might you say?
Buddy explains!

The straight part
We know that "Keeper of wine" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case keeper of wine = decanter.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 DECANTER mean?
DECANTER noun- A vessel for decanting liquor.
- A receptacle for decanted liquor, especially a crystal bottle with a stopper.