The most common and most likely answer to this crossword clue is the 6 letter word E-ZINE
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More clues leading to the result E-ZINE
Buddy explains!
The straight part
We know that "online publication" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case online publication = e-zine.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 E-ZINE mean?
E-ZINE noun- A magazine published in electronic form, especially on the World Wide Web.