The most common and most likely answer to this crossword clue is the 7 letter word NEXUSES
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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 NEXUSES mean?
NEXUSES noun- A form of connection.
- A connected group.
- The centre of something.
- In Ancient Rome, a person who had contracted a nexum or obligation of such a kind that, if he failed to pay, his creditor could compel him to work as a servant until the debt was paid.
- The relationship between a vendor and a jurisdiction for the purpose of taxation, established for example by the vendor operating a physical store in that jurisdiction.