/ ˈrəʊdiəʊ; rəʊˈdeɪəʊ; NAmE ˈroʊdioʊ; roʊˈdeɪoʊ/ noun
( pl. -os ) a public competition, especially in the US, in which people show their skill at riding wild horses and catching cattle with ropes
For more information see the Cultural Guide
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WORD ORIGIN
mid 19th cent.: from Spanish , from rodear go round, based on Latin rotare rotate.