The most common and most likely answer to this crossword clue is the 9 letter word AGINCOURT
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More clues leading to the result AGINCOURT
- Battle of local against royal household
- Soldier in an attempt to win victory for England
- Hostile to royal household in battle
- Anti-Royalist battle?
- Where the litigious will see you after a good battle
- Battle area surrounded, occupied by officer, leader of unit
- Bully ruing action having lost in battle
- Battle for a drink on playing area
- A spirit seen by mansion in Battle
- A drink date where Henry met Constable
Buddy explains!

The straight part
We know that "medieval battle scene" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case medieval battle scene = agincourt.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.