The most common and most likely answer to this crossword clue is the 5 letter word KNOLL
K
N
O
L
L
More clues leading to the result KNOLL
- Scene of assassination of King followed by Oliver
- Put back part of wall on Kentish hill
- Hill showing a kind of lily every now and again
- Eminence Cromwell's given after king?
- Hillock seen returning uphill on Kishorn
- Briefly recognise lakes and hillock
- Hillock appearing when returning from stroll on Kerrera
- Rise from the ground and ring love, for love’s ending
- Only a little elevation given wise guy out of Western Australia
- Grassy place to carry out assassination? No, not I
Buddy explains!

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 KNOLL mean?
KNOLL noun- A small mound or rounded hill.
- A knell.
- To ring (a bell) mournfully; to knell.
- To sound, like a bell; to knell.
- To arrange related objects in parallel or at 90 degree angles.