riata
/rɪˈɑːtə/(also reata, riato, riatta)
noun
A long light rope, usually of rawhide or hemp, used chiefly for catching livestock or tethering animals.
Origin
Mid 19th century; earliest use found in Californian. From Spanish reata rope used for tethering animals, in Mexican Spanish also lasso from reatar to tie again from re- + atar to tie from classical Latin aptāre to fit, adapt. Compare Portuguese reata.