(literally) A rat that lives on or along a river. / (chiefly derogatory) A lower-class person living on or along a river.

plural of river rat

The longest river in South Africa.

A river that enters a sea or estuary and is this affected by tides; at times, water will flow upstream.

(geology) A fast-flowing river characterized by a deep, narrow erosion pattern forming a V-shaped channel or valley.

A city in Bristol County, Massachusetts, United States. / A river in South Dakota, United States.

Any marine turtle that inhabits rivers.

Alternative form of riverbank

Onchocerciasis.

Alternative form of riverbed