adjective (of a region, land, etc.)
Examples from the Web for semiarid
Arid and extremely arid land are deserts, and semiarid grasslands generally are referred to as steppes.Deserts|A. S. Walker
Most of the area in which T. ornata occurs is semiarid or arid.
Because of its semiarid climate, the State has only 600 square miles of wooded area.North Dakota|Various
They grow in the semiarid regions of the West and sometimes in great luxuriance.Special Report on Diseases of Cattle|U.S. Department of Agriculture
These animals are usually restricted to sandy soils in semiarid regions.Speciation in the Kangaroo Rat, Dipodomys ordii|Henry W. Setzer