The most common and most likely answer to this crossword clue is the 7 letter word ABRIDGE
I've seen this crossword clue in The Times
A
B
R
I
D
G
E
Buddy explains!

The straight part
We know that "Cut short" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cut short = abridge.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 ABRIDGE mean?
ABRIDGE verb- To deprive; to cut off.
- To debar from.
- To make shorter; to shorten in duration or extent.
- To shorten or contract by using fewer words, yet retaining the sense; to epitomize; to condense.
- Cut short; truncate.
- To curtail.