The most common and most likely answer to this crossword clue is the 9 letter word SENESCHAL
I've seen this crossword clue in The Guardian
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More clues leading to the result SENESCHAL
Buddy explains!
The straight part
We know that "Steward/Steward" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case steward/steward = seneschal.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 SENESCHAL mean?
SENESCHAL noun- A steward, particularly one in charge of a medieval nobleman's estate.
- An officer of the crown in late medieval and early modern France who served as a kind of governor and chief justice of the royal court in Normandy and Languedoc.