The most common and most likely answer to this crossword clue is the 8 letter word PROCLAIM
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M
More clues leading to the result PROCLAIM
- Make public declaration in favour of request
- Announce Mail Corp has been reorganised
- Trumpet in concert stuffed with filling of long cake?
- Declare in favour of allegation
- Herald supporting petition
- Herald in place receiving expression of surprise, rising with purpose
- Announce Scottish singers, ignoring signs of hesitation
- For 100 pounds, design trumpet
- With support curtailed, right to publish abroad
- Trumpet for silent type crossing island
Buddy explains!

The straight part
We know that "Announce" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case announce = proclaim.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 PROCLAIM mean?
PROCLAIM verb- To announce or declare.