Cryptic crossword clue
Bluebottle returning note, buzzing round rook 6

The most common and most likely answer to this crossword clue is the 6 letter word ROZZER

I've seen this crossword clue in The Times
R
O
Z
Z
E
R


Buddy explains!

The straight part
We know that "Bluebottle" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bluebottle = rozzer.
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 ROZZER mean?

ROZZER noun
  1. A police officer.

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