entrenched meander

entrenched meander

[en′trencht mē′an·dər]
(hydrology)
A deepened meander of a river which is carried downward further below the valley surface in which the meander originally formed. Also known as inherited meander.
References in periodicals archive ?
Goosenecks State Park offers spectacular views of an "entrenched meander," where the San Juan River carved 1,000-feet deep twists.