A hardy, long-legged, coarse-woolled sheep descended from Spanish breeds and adapted for survival in the dry regions of Mexico and the southern United States.
Origin
Mid 19th century; earliest use found in George Kendall (1809–1867), editor and journalist.
Definition of Mexican sheep in US English:
Mexican sheep
noun
United States Regional historical
A hardy, long-legged, coarse-woolled sheep descended from Spanish breeds and adapted for survival in the dry regions of Mexico and the southern United States.
Origin
Mid 19th century; earliest use found in George Kendall (1809–1867), editor and journalist.