The most common and most likely answer to this crossword clue is the 10 letter word FREIGHTERS
I've seen this crossword clue in The Guardian
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More clues leading to the result FREIGHTERS
Buddy explains!
The straight part
We know that "Ships" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ships = freighters.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 FREIGHTERS mean?
FREIGHTERS noun- One who loads a ship, or one who charters and loads a ship.
- One employed in receiving and forwarding freight.
- One for whom freight is transported.
- A vessel used mainly to carry freight; a cargo ship.