First Known Use: 1843
Dictionary
arroyo
noun ar·royo \ə-ˈrȯi-(ˌ)ō, -ə\
plural ar·royos
Definition of ARROYO
1
: a watercourse (as a creek) in an arid region
2
: a water-carved gully or channel
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Origin of ARROYO
Spanish
Other Geology Terms
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