The most common and most likely answer to this crossword clue is the 9 letter word RAINDROPS
I've seen this crossword clue in The Daily Telegraph
R
A
I
N
D
R
O
P
S
More clues leading to the result RAINDROPS
- Making inroads with vacant readership — they are wet!
- Popular doctor’s surgery succeeded after turning back a right shower?
- River rapids on rocks -- they could get you wet
- Source of water? Burst drains or pipes initially
- Doris ran off, grabbing last bit of soap — the sign of a shower
- Cause of wetness? We’re told to check sinks
- They could make roans drip
Buddy explains!

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 RAINDROPS mean?
RAINDROPS noun- A single droplet of rainwater that has just fallen or is falling from the sky.