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.
Origin of arroyo
1800–10, Americanism; < Spanish; akin to Latin arrūgia mine shaft
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for arroyo
Historical Examples of arroyo
He was beside her again before she had reached the bed of the arroyo.
Slade sent one of his men springing up the side of the arroyo.
Quickly he swung his horse to the left and vanished into an arroyo.
They left the road and struck across country toward the arroyo.
The three riders had plunged into the depths of the arroyo and were out on the other 299 side.
British Dictionary definitions for arroyo
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
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
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Word Origin and History for arroyo
"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
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
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