a small wild or half-wild horse of the W Plains of the U.S.
Origin of mustangAmerican Spanish mestengo ; from Spanish mesteño, belonging to an associated, association of cattlemen, ranging freely ; from mesta, (cattlemen's) group ; from Medieval Latin mixta, a mixture ; from feminine of Classical Latin mixtus, a mingling, origin, originally past participle of miscere, mix
A small, hardy wild horse of the North American plains, descended from horses brought to America by Spanish explorers and European settlers.
Origin of mustangAmerican Spanish mesteño, mestengo, stray animal, from Old Spanish, from mesta, association of livestock owners, from Medieval Latin (animalia) mixta, assorted (animals), from Latin, neuter pl. past participle of misc&emacron;re, to mix; see meik- in Indo-European roots.