The most common and most likely answer to this crossword clue is the 8 letter word STOPGAPS
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More clues leading to the result STOPGAPS
Buddy explains!

The straight part
We know that "temporary arrangements" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case temporary arrangements = stopgaps.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 STOPGAPS mean?
STOPGAPS noun- That which fills a gap or hiatus.
- A temporary measure or short-term fix used until something better can be obtained; that which serves as an expedient in an emergency; a band-aid solution.