noun
: a river terrace composed of alluvium rather than carved in solid rock, resulting from a change in the regimen of the stream from alluviation to downcutting
noun
: a river terrace composed of alluvium rather than carved in solid rock, resulting from a change in the regimen of the stream from alluviation to downcutting
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012