arroyo

[ uh-roi-oh ]
/ əˈrɔɪ oʊ /

noun, plural ar·roy·os.

(chiefly in southwest U.S.) a small steep-sided watercourse or gulch with a nearly flat floor: usually dry except after heavy rains.

Nearby words

  1. arrows,
  2. arrowsmith,
  3. arrowwood,
  4. arrowworm,
  5. arrowy,
  6. arroyo grande,
  7. arroz con pollo,
  8. arru islands,
  9. ars,
  10. ars antiqua

Origin of arroyo

1800–10, Americanism; < Spanish; akin to Latin arrūgia mine shaft

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for arroyo


British Dictionary definitions for arroyo

arroyo

/ (əˈrɔɪəʊ) /

noun plural -os mainly Southwestern US

a steep-sided stream bed that is usually dry except after heavy rain

Word Origin for arroyo

C19: from Spanish

Arroyo

/ (əˈrɔɪjəʊ) /

noun

Gloria Macapagal. born 1947, Filipino stateswoman; vice-president of the Philippines (1998–2001); president (2001–10)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for arroyo

arroyo

n.

"watercourse, dry streambed," 1845, a California word, from American Spanish, in Spanish, "rivulet, small stream," from Latin arrugia "shaft or pit in a gold mine," apparently a compound of ad- "to" (see ad-) + ruga "a wrinkle" (see rough (adj.)).

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for arroyo

arroyo

[ ə-roiō ]

A small, deep gully or channel of an ephemeral stream. Arroyos usually have relatively flat floors and are flanked by steep sides consisting of unconsolidated sediments. They are usually dry except after heavy rainfall.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.