riparian right
riparian right. (often pl.) The right of a landowner whose property borders on a body of water or watercourse. • Such a landowner traditionally has the right to make reasonable use of the water. — Also termed water right. [Cases: Navigable Waters 39–46; Waters and Water Courses 34–47. C.J.S. Navigable Waters §§ 82–102, 111, 126–131, 134; Waters §§ 3–14, 20, 91, 760–761, 926.]