Definitions for "Sahel"
Arabic word meaning "shore" and referring to the dry area between the Sahara and the forests or grasslands south of it.
the southern fringe of the Sahara desert; Environment, Climates
A semiarid east-west swath across Africa, environmentally transitional between the Sahara Desert (to the north) and equatorial rainforests (to the south), in which recent desertification and drought have been particularly severe.