The American HeritageĀ® Dictionary of the English Language, 4th Edition
v. To wear (something) away by or as if by abrasion: Waves eroded the shore.
v. To eat into; corrode.
v. To make or form by wearing away: The river eroded a deep valley.
v. To cause to diminish or deteriorate as if by eating into or wearing away: "Long enduring peace often erodes popular resolutionā ( C.L. Sulzberger).
verb-intransitive. To become worn or eaten away: The cliffs have eroded over the centuries. Public confidence in the administration eroded.
v. To wear away by abrasion, corrosion or chemical reaction
the GNU version of the Collaborative International Dictionary of English
v. To eat into or away; to corrode.
v.
v. To wear away.
v. To produce by erosion, or wearing away.
v. to reduce or lessen as if by eroding.
The Century Dictionary and Cyclopedia
To gnaw or eat into or away; corrode.
Hence To wear away, as if by gnawing: specifically used in geology of the action of water, etc., in wearing down the earth's surface.
To become worn away.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. remove soil or rock
v. become ground down or deteriorate
Word Usage
"Meanwhile Americans will be discouraged from doing the right things to mitigate the impact of higher gas prices and the nationwide system of roads will further erode from a failure to properly fund upkeep from the fuel tax."