Cryptic crossword clue
Copper and cleric’s fight for prime arena location 9,3

The most common and most likely answer to this crossword clue is the 9 letter word DIRECTORS

I've seen this crossword clue in The Daily Telegraph
D
I
R
E
C
T
O
R
S

Buddy explains!

The straight part
We know that "prime arena location" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case prime arena location = directors.
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 DIRECTORS mean?

DIRECTORS noun
  1. One who directs; the person in charge of managing a department or directorate (e.g., director of engineering), project, or production (as in a show or film, e.g., film director).
  2. A counselor, confessor, or spiritual guide.
  3. That which directs or orientates something.
  4. A device that displays graphical information concerning the targets of a weapons system in real time.
  5. The common axis of symmetry of the molecules of a liquid crystal.

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