from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hill having a rounded outline in its upper portion because the summit is protected from rapid denudation by a layer of soil and a growth of forest trees or grass, or by marshes of peat.
from The Century Dictionary and Cyclopedia
- n. An isolated hill or small mountain, of convex or dome-like form above, and with concave slopes around the base.
From Welsh moel ("bare hill"). (Wiktionary)