Definition of arroyo noun from the Oxford Advanced Learner's Dictionary



BrE BrE//əˈrɔɪəʊ//
; NAmE NAmE//əˈrɔɪ//
(pl. arroyos)(from Spanish)
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a narrow channel with steep sides cut by a river in a desert region Word Origin mid 19th cent.: from Spanish.
See the Oxford Advanced American Dictionary entry: arroyo