The most common and most likely answer to this crossword clue is the 7 letter word SPRAYER
I've seen this crossword clue in The Times
S
P
R
A
Y
E
R
More clues leading to the result SPRAYER
- Rose succeeded with petition
- Rose seen in the garden when there's been no rain?
- Dispenser of liquid sulphur supported by petition
- Rose serves supper initially with grace?
- Perhaps Mister Solo’s initial devotion?
- Can of deodorant, say, close to armpits on monk, perhaps?
- Streetwise leader’s entreaty to graffiti artist?
- One dispensing deodorant to rear of malodorous priest?
- Small chance he’ll paint your car
- Student’s first request for insecticide?
Buddy explains!
The straight part
We know that "Dispenser of liquid" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dispenser of liquid = sprayer.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.