adjective (of a region, land, etc.)
- characterized by very little annual rainfall, usually from 10 to 20 inches (25 to 50 cm): the struggle to raise vegetables in semiarid regions.
adjective
- characterized by scanty rainfall and scrubby vegetation, often occurring in continental interiorsthe semiarid regions of Australia
- Having low precipitation but able to support grassland and scrubby vegetation. Steppes have semiarid climates.