The most common and most likely answer to this crossword clue is the 10 letter word SILVERSIDE
I've seen this crossword clue in The Guardian
S
I
L
V
E
R
S
I
D
E
More clues leading to the result SILVERSIDE
- Sea cook’s fish? Fish or beef
- Metal right for example in joint
- No end of fish and beef
- Team devouring chopped livers and some beef
- Cut of beef produced by piratical cook on edge
- Beef from Olympic team coming second
- Team of senior citizens getting beef?
- Second-placed team with some beef
- Cut second-best Olympic team up?
- Meat for Olympic runners-up?
Buddy explains!

The straight part
We know that "Cut" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cut = silverside.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 SILVERSIDE mean?
SILVERSIDE noun- Any of several small fish, mostly in families Atherinidae and Atherinopsidae, both in order Atheriniformes, that are characterized by bright, silvery scales.
- The upper side of a round of beef.
- Corned beef made with this type of meat.