verb (used without object) 1.(of a moving agent, as running water, wind, or a glacier) to erode by the abrasion of materials carried along.
2.to disintegrate as a result of
corrasion, as the rock underlying the brink of a waterfall.
Origin: 1610–20; <
Latin corrādere to scrape together, equivalent to
cor- cor- +
rādere to scrape. See
erase,
raze