1. any of various small rodents, as the kangaroo rat, inhabiting arid regions.
2. Chiefly Western U.S.one who lives in the desert, esp. in order to prospect for gold or other valuable minerals.
3. Informal.a soldier fighting in the N African desert in World War II, esp. a British soldier.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.