The most common and most likely answer to this crossword clue is the 10 letter word CONTAINERS
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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 CONTAINERS mean?
CONTAINERS noun- Someone who contains; something that contains.
- An item in which objects, materials or data can be stored or transported.
- A very large, typically metal, box used for transporting goods.
- (by extension) Someone who holds people in their seats or in a (reasonably) calm state.
- A file format that can hold various types of data.
- An abstract data type whose instances are collections of other objects.
- Any user interface component that can hold further (child) components.