The most common and most likely answer to this crossword clue is the 9 letter word HEADSTONE
I've seen this crossword clue in The Daily Telegraph
H
E
A
D
S
T
O
N
E
More clues leading to the result HEADSTONE
- Memorial for Bradley?
- Makes tracks for Tyneside region, passing information on here?
- Memorial is at the top end of quality
- One’s death is enough for this to be set up
- Various deaths marked by single memorial
- Man donates freely for memorial
- Monument of leader’s character
- Dates carved into Polish memorial
- Memorial to the sound of Dr Arnold’s voice?
- Memorial call before game to Geordieland
Buddy explains!

The straight part
We know that "memorial" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case memorial = headstone.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 HEADSTONE mean?
HEADSTONE noun- A gravestone, a grave marker: a monument traditionally made of stone placed at the head of a grave.
- The cornerstone or principal stone of a building.