A grass covered knoll.
The definition of a knoll is a small hill or mound.
An example of a knoll is a small, grassy hill on a college campus.
a hillock; mound
Origin of knollMiddle English ; from Old English cnoll, akin to German knollen, lump, clod: for Indo-European base see knot
Dial., Archaic knell
verbknolled, knoll·ing, knolls
To ring mournfully; knell.
To ring or sound (a bell, for example) mournfully; knell.
Origin of knollMiddle English knollen, probably alteration of knellen, to knell; see knell.
A small rounded hill or mound; a hillock.
Origin of knollMiddle English knol, from Old English cnoll.