from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A nearly flat land surface representing an advanced stage of erosion.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A low-relief plain representing the final stage of fluvial erosion during times of extended tectonic stability.
from the GNU version of the Collaborative International Dictionary of English
- n. A land surface reduced by erosion to the general condition of a plain, but not wholly devoid of hills; a base-level plain.
from The Century Dictionary and Cyclopedia
- n. In geology, a surface reduced by erosion nearly to the condition of a plain. There are many examples of once lofty mountains, now reduced to peneplains.
- To reduce by erosion to a peneplain.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a more or less level land surface representing an advanced stage of erosion undisturbed by crustal movements
pene-, almost (from Latin paene) + plain.(American Heritage® Dictionary of the English Language, Fourth Edition)
pene- + plain (Wiktionary)