The most common and most likely answer to this crossword clue is the 9 letter word CARNIVORA
I've seen this crossword clue in Financial Times
C
A
R
N
I
V
O
R
A
More clues leading to the result CARNIVORA
- Beastly order making soldiers take part in endless parade
- Order soldiers to stop endless festivity
- In the circus, mostly finding enlisted men and beasts
- In parade, mostly enlisted men and flesh-eating beasts
- Wolves etc mostly fair when tackling men
- Bears perchance with vicar on a river trip
- An order of mammals requiring the corn Ravi cooked with a vitamin
Buddy explains!
The straight part
We know that "beasts" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case beasts = carnivora.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.