The most common and most likely answer to this crossword clue is the 6 letter word JOURNO
I've seen this crossword clue in The Daily Telegraph
J
O
U
R
N
O
More clues leading to the result JOURNO
- Girl taking pot with old hack
- Hack judge’s mobile router when half-cut? I think not!
- Jack gets a thumbs-down from us as a writer
- One reports no pot in possession of comedian Brand
- Judge confronting the Telegraph’s refusal to identify writer?
- Reporter beginning to judge yours and my denial
- Nice day, on reflection, for correspondent
Buddy explains!

The straight part
We know that "writer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case writer = journo.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 JOURNO mean?
JOURNO noun- A journalist.