(a large area of) land that is without water and trees, often sand-covered
barren, uncultivated
Cases of word usage
1) a kind of long-necked animal, with either one or two humps on its back, used in desert countries (camel)
2) a group of people making a journey together (across desert country) (caravan)
3) an effect, produced by hot air conditions, causing something (not existing) to become visible (or upside down), especially the appearance of water in the desert (mirage)