əˈrȯi(y)ə, -rō(ˌ)yō, -rȯi(ˌ)(y)ō noun
also ar·roya -rȯi(y)ə
( -s )
Etymology: Spanish arroyo, probably of non-Indo-European origin; akin to the source of Latin arrugia gallery in a mine
1. : brook , creek , stream : watercourse
around all of these lakes are extensive flood lands, and stemming from each are brooks or arroyos which drain into other lakes — A.R.Holmberg
2. : a water-carved gully or channel : dry wash , ravine
he rode out of a deep arroyo between bare mountainsides — S.H.Adams