The most common and most likely answer to this crossword clue is the 9 letter word CHARABANC
I've seen this crossword clue in The Guardian
C
H
A
R
A
B
A
N
C
More clues leading to the result CHARABANC
- Old coach’s daily account written outside bar
- Horse involved in accident after tailing vehicle
- Cleaner, by a stop, caught early coach
- Brief opportunity to secure Omani, perhaps, as coach
- Risk briefly carrying horse in old vehicle
- Is missing Saudi boarding stylish coach?
- Sailor can brew tea at first for the coach
- Largely risky, catching Middle Eastern bus
- Coach may see risk cut straddling horse
- Cleaner with a disqualification caught coach
Buddy explains!

The straight part
We know that "coach" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case coach = charabanc.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 CHARABANC mean?
CHARABANC noun- A horse-drawn, and then later, motorized omnibus with open sides, and often, no roof.
- To travel or convey by charabanc.