The most common and most likely answer to this crossword clue is the 7 letter word BARROWS
I've seen this crossword clue in The Daily Telegraph
B
A
R
R
O
W
S
Buddy explains!
The straight part
We know that "Places formerly used for burying" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case places formerly used for burying = barrows.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 BARROWS mean?
BARROWS noun- A mountain.
- A hill.
- A mound of earth and stones raised over a grave or graves.
- A heap of rubbish, attle, or other such refuse.
- A small vehicle used to carry a load and pulled or pushed by hand.
- (saltworks) A wicker case in which salt is put to drain.
- A castrated boar.
- A long sleeveless flannel garment for infants.