The most common and most likely answer to this crossword clue is the 7 letter word CLOSETS
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More clues leading to the result CLOSETS
Buddy explains!

The straight part
We know that "Hides away" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hides away = closets.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 CLOSETS mean?
CLOSETS noun- Any private area, (particularly) bowers in the open air.
- Any private or inner room, (particularly):
- A pew or side-chapel reserved for a monarch or other feudal lord.
- A private cabinet, (particularly):
- Any small room or side-room, (particularly):
- An ordinary similar to a bar but half as broad.
- A sewer.
- To shut away for private discussion.
- To put into a private place for a secret interview or interrogation.
- To shut up in, or as in, a closet for concealment or confinement.