The most common and most likely answer to this crossword clue is the 7 letter word POLARIS
I've seen this crossword clue in The Daily Telegraph
P
O
L
A
R
I
S
More clues leading to the result POLARIS
- So April could become a star
- Missile['s] power staggered sailor
- Star of long ago abandoning Duke in European city
- Bright star in spiral ring complex
- Kind of bear is seen only after dark
- 4 6d see returning 24
- Star who fancied Helen to bag Oscar left?
- Star sailor buckled under pressure
- Star's path originally followed by sailor adrift
- Star using Circle Line in capital
Buddy explains!
The straight part
We know that "Star" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case star = polaris.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.