The most common and most likely answer to this crossword clue is the 5 letter word CERES
I've seen this crossword clue in The Guardian
C
E
R
E
S
More clues leading to the result CERES
- Large asteroid sequence broadcast
- She oversaw agriculture before entering civil service
- Dwarf planet features in Space Rescue
- Asteroid at the heart of space research
- Asteroid string by the sound of it
- Minor planet, dry and cold when viewed from behind
- Goddess in chains reportedly
- Space research reveals a large asteroid
- Roman goddess’s string of performances heard
Buddy explains!
The straight part
We know that "Large asteroid" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case large asteroid = ceres.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 CERES mean?
CERES noun- A waxy protuberance at the base of the upper beak in certain birds.