The most common and most likely answer to this crossword clue is the 8 letter word CONDENSE
I've seen this crossword clue in The Sunday Telegraph
C
O
N
D
E
N
S
E
More clues leading to the result CONDENSE
- Shorten study, stupid
- Summarise what’s new in key Danish city
- Tories with less than intelligent contract
- Fish swallowing Jonah’s heart seen, strangely, to get smaller
- Tapering object outside study, small telescope
- Contract is a swindle — extremely stupid to go along with it
- Swindler, slow-witted, has to concentrate
- Precis of Studies in Figure
- Summarise London area studies first
- Cold Scandinavian city absorbing new cut
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 = condense.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 CONDENSE mean?
CONDENSE verb- To concentrate toward the essence by making more close, compact, or dense, thereby decreasing size or volume.
- To transform from a gaseous state into a liquid state via condensation.
- To be transformed from a gaseous state into a liquid state.
- Condensed; compact; dense.