arroyo: Meaning and Definition of

ar•roy•o

Pronunciation: (u-roi'ō), [key]
— pl. -os.
  1. (chiefly in southwest U.S.) a small steep-sided watercourse or gulch with a nearly flat floor: usually dry except after heavy rains.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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