The most common and most likely answer to this crossword clue is the 7 letter word MEOWING
I've seen this crossword clue in The Sunday Telegraph
M
E
O
W
I
N
G
More clues leading to the result MEOWING
Buddy explains!

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 MEOWING mean?
MEOWING verb- Of a cat, to make its cry.
- The act of uttering a meow.