The most common and most likely answer to this crossword clue is the 9 letter word RESERVOIR
I've seen this crossword clue in Financial Times
R
E
S
E
R
V
O
I
R
More clues leading to the result RESERVOIR
- A lot of extra troops by port reversing tank?
- Lake and river rose catastrophically
- Body of water in river rose unexpectedly
- Ice, mostly, round Irish lake
- Errors I’ve rectified in VAT
- Bank errors I've sorted out
- River rose – burst bank
- 21, I’ve swum across small lake
- Lake and river rose inordinately
- Eels initially found in rivers – or other source of water?
Buddy explains!
The straight part
We know that "bank" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bank = reservoir.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 RESERVOIR mean?
RESERVOIR noun- A place where anything is kept in store
- A large natural or artificial lake used as a source of water supply.
- A small intercellular space, often containing resin, essential oil, or some other secreted matter.
- A supply or source of something.
- A species that acts as host to a zoonosis when it is not causing acute illness in other susceptible species.