The most common and most likely answer to this crossword clue is the 4 letter word URNS
U
R
N
S
More clues leading to the result URNS
- Vessels of our navy protected by our people
- With speech, makes pots
- Vessels go south after bow has been removed
- Scores are reportedly lower for Ashes holders
- Navy limited by unserviceable vessels
- Makes, as we hear, containers with taps for serving drinks
- Vessels in waterways start off
- Is paid, we hear, for making large amounts of tea
- Flames initially going where the dead end up?
- Vessels of American and British navy going in
Buddy explains!

The straight part
We know that "vessels" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case vessels = urns.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 URNS mean?
URNS noun- A vase with a footed base.
- A metal vessel for serving tea or coffee.
- A vessel for the ashes or cremains of a deceased person.
- Any place of burial; the grave.
- A measure of capacity for liquids, containing about three gallons and a half, wine measure. It was half the amphora, and four times the congius.
- A hollow body shaped like an urn, in which the spores of mosses are contained; a spore case; a theca.