The most common and most likely answer to this crossword clue is the 8 letter word SPRINKLE
I've seen this crossword clue in The Guardian
S
P
R
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N
K
L
E
More clues leading to the result SPRINKLE
- Spray knocks antelope back after short jump
- Pepper season, when moose comes back for good
- Drizzle almost bound to upset horny beast
- Possible known perils now dropped from spray
- Shower leaders of Southern Pacific Railroad in nasty key lime emulsion
- Throw marlinspike! Not bad! Aim and pepper!
- Disperse a small amount
- Pepper posing peril, one lost skin
- A little amount of publicity inherent in questionable links with extremists, basically
Buddy explains!

The straight part
We know that "Spray" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case spray = sprinkle.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 SPRINKLE mean?
SPRINKLE noun- A light covering with a sprinkled substance.
- A light rain shower.
- An aspersorium or utensil for sprinkling.
- To cause (a substance) to fall in fine drops (for a liquid substance) or small pieces (for a solid substance).
- To cover (an object) by sprinkling a substance on to it.
- To drip in fine drops, sometimes sporadically.
- To rain very lightly outside.
- To baptize by the application of a few drops, or a small quantity, of water; hence, to cleanse; to purify.