The most common and most likely answer to this crossword clue is the 4 letter word DUKE
D
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K
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More clues leading to the result DUKE
- Requirement for boxing title
- Fist an aristocrat
- Nobleman expected to receive his king
- Noble island nation in midst of ordeal
- Peer expected to pocket a thousand
- Noble king in appropiate setting
- Kelvin interrupting deserved a fist
- Peer expected to provide home for King
- Expected to accommodate king or nobleman
- Noble king in proper setting
Buddy explains!

The straight part
We know that "a fist" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a fist = duke.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 DUKE mean?
DUKE noun- The male ruler of a duchy (female equivalent: duchess).
- The sovereign of a small state.
- A high title of nobility; the male holder of a dukedom.
- A grand duke.
- Any of various nymphalid butterflies of the Asian genera Bassarona and Dophla.
- (usually in the plural) A fist.
- To hit or beat with the fists.
- To give cash to; to give a tip to.