Senegal
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) Gum senegal. See under Gum.
The Nuttall Encyclopedia [2]
An important river of West Africa, formed by the junction, at Bafulabé, of two head-streams rising in the highlands of Western Soudan; flows Nw., W and SW., a course of 706 m., and discharges into the Atlantic 10 m. below St. Louis; navigation is somewhat impeded by a sand-bar at its mouth, and by cataracts and rapids in the upper reaches.