The most common and most likely answer to this crossword clue is the 7 letter word BELAYED
I've seen this crossword clue in Independent
B
E
L
A
Y
E
D
More clues leading to the result BELAYED
Buddy explains!

The straight part
We know that "Sailor’s ceased" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sailor’s ceased = belayed.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 BELAYED mean?
BELAYED verb- To surround; environ; enclose.
- To overlay; adorn.
- To besiege; invest; surround.
- To lie in wait for in order to attack; block up or obstruct.
- To make (a rope) fast by turning it around a fastening point such as a cleat or piton.
- To secure (a person) to a rope or (a rope) to a person.
- To lay aside; stop; cancel.
- The general command to stop or cease.