The most common and most likely answer to this crossword clue is the 5 plus 2 letter word CATCH UP
I've seen this crossword clue in Independent
C
A
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More clues leading to the result CATCH UP
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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 CATCH UP mean?
CATCH UP noun- An act of catching up or attempting to catch up.
- An amount, a thing, or a receipt or repetition of information that enables one to catch up.