Pronunciation: (i-rōd'), [key]
—v., e•rod•ed, e•rod•ing.
1. to eat into or away; destroy by slow consumption or disintegration: Battery acid had eroded the engine. Inflation erodes the value of our money.
2. to form (a gully, butte, or the like) by erosion.
to become eroded.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.