The most common and most likely answer to this crossword clue is the 5 letter word OCEAN
O
C
E
A
N
More clues leading to the result OCEAN
- Duck is able to get across eastern sea
- Drink drug in round tin
- Round container mate finally dropped in sea
- Quantity of water upset canoe
- Vast expanse of water damaged canoe
- Manoeuvred canoe in water
- Canoe bobbing on this?
- Louche fauns regularly seen in water
- The drink hock; seal and all wrapping removed
- Billy or Danny may be Indian
Buddy explains!

The straight part
We know that "Quantity of water" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case quantity of water = ocean.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 OCEAN mean?
OCEAN noun- One of the large bodies of water separating the continents.
- Water belonging to an ocean.
- An immense expanse; any vast space or quantity without apparent limits.
- A blue colour, like that of the ocean (also called ocean blue).