- a dry gully
- a rivulet or stream
Origin of arroyoSpanish ; from Classical Latin arrugia, shaft or pit (in a gold mine)
- A deep gully cut by an intermittent stream; a dry gulch.
- A brook; a creek.
Origin of arroyoSpanish, from Vulgar Latin *arrugius, gold mine, underground passage, variant of Latin arrugia, a galleried mine.
- A dry creek or stream bed, a gulch which temporarily or seasonally fills and flows (after sufficient rain).
- Any water course; any rivulet (whether it flows year-round or only seasonally).
From Spanish arroyo.