Толковый словарь английского языка - mustang

noun Etymology: Mexican Spanish mestengo, from Spanish, stray, from mesteño strayed, from mesta annual roundup of cattle that disposed of strays, from Medieval Latin (animalia) mixta mixed animals Date: 1808 a small hardy naturalized horse of United States western plains directly descended from horses brought in by the Spaniards, a commissioned officer (as in the United States Navy) who has risen from the ranks