RIATA Meaning of RIATA in English /ree ah"teuh, -at"euh/ , n.a lariat. Also, reata . [ 1840-50, Amer.; reata, deriv. of reatar to tie again, equiv. to re- RE- + atar aptare to fit ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012