The most common and most likely answer to this crossword clue is the 10 letter word BREVIARIES
I've seen this crossword clue in The Daily Telegraph
B
R
E
V
I
A
R
I
E
S
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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 BREVIARIES mean?
BREVIARIES noun- A book containing prayers, hymns, and so on for everyday use at the canonical hours.
- A brief statement or summary.