What is an arid land?

Deserts are arid, but other areas with little moisture are also. Arid land is area where there is so little rainfall plants and animals either don't exist or are sparse and impeded in growth.

A region is arid when it is characterized by a severe lack of available water, to the extent of hindering or preventing the growth and development of plant and animal life. Environments subject to arid climates tend to lack vegetation and are called xeric or desertic