The most common and most likely answer to this crossword clue is the 7 letter word CLEAVER
I've seen this crossword clue in The Guardian
C
L
E
A
V
E
R
More clues leading to the result CLEAVER
- Caught one departing in chopper
- Chopper caught by one to quit
- Intelligent to hide a chopper
- What is sharp – that includes a knife
- Chops primarily one’s splitting, as tool
- Means of cutting film after opening
- Depart in credit, getting the axe
- Able to hold a dangerous object?
- Skilful when holding a chopper
- Quick to learn about a cutting-edge device
Buddy explains!

The straight part
We know that "Means of cutting" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case means of cutting = cleaver.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 CLEAVER mean?
CLEAVER noun- A squarish, heavy knife used by butchers for hacking through bones, etc.
- (Bahamas) A type of clave, or rhythm stick, a concussive musical instrument used in traditional Bahamian music.
- (metaphoric) The act of eliminating someone or something, especially when done by someone with a history of other eliminations; a dismissal, rejection, or removal.