The most common and most likely answer to this crossword clue is the 8 letter word HASSOCKS
I've seen this crossword clue in The Times
H
A
S
S
O
C
K
S
More clues leading to the result HASSOCKS
Buddy explains!

The straight part
We know that "Cushions" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cushions = hassocks.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 HASSOCKS mean?
HASSOCKS noun- A dense clump of grass or vegetation; a tussock.
- A cushion used primarily in churches for kneeling on while praying.
- A thick cushion used as a seat; an ottoman or pouffe.