- The definition of semiarid is a climate or place that is partially arid, or semi-dry and has less than 20 inches of rain each year.
An example of semiarid climates is the hot, semiarid climate of the Outback in Australia.
semiarid definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
characterized by little yearly rainfall and by the growth of short grasses and shrubs: said of a climate or region
semiarid definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Characterized by relatively low annual rainfall of 25 to 50 centimeters (10 to 20 inches) and having scrubby vegetation with short, coarse grasses; not completely arid.
- semˌi·a·ridˈi·ty noun
semiarid - Science Definition
Having low precipitation but able to support grassland and scrubby vegetation. Steppes have semiarid climates.