Image via WikipediaZariba: noun (and zareba) - In Sudan and neighbouring lands; a camp fortified by a fence, often of thorn trees, as defence against enemies or wild animals; a defensive force or barrier.
‘Georgiana watched men with spears drive the herd of cattle through a gap in the thorn bushes until the zariba was full of animals. They then sealed the entrance by dragging a moveable barrier of thorn bushes into the gap.’
