The most common and most likely answer to this crossword clue is the 4 letter word URSA
I've seen this crossword clue in The Guardian
U
R
S
A
More clues leading to the result URSA
- Bear up in Christmas rush
- Mummy bear pours away just a bit
- From the first, usually recogÂnisable stars, actually major or minor
- Bear fur, say, skinned
- Bear right entering Trump’s country
- Stars rule in America
- You are to go on stage left, pursued by a bear!
- Bear with financial officer endlessly
- Labour saving environment for stars
- Major constellation?
Buddy explains!

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.