See quotations. Spanish.
1846. An arroyo, or small rivulet fed by springs, runs through his rancho, in such a course that, if expedient, he could, without much expense, irrigate one or two thousand acres.Edwin Bryant, What I saw in California, p. 3067 (N.Y.). (Italics in the original.)
1850. Bayard Taylor. (N.E.D.)
1854. Three miles from San Antonio we crossed the bed of the arroyo Alazan, now reduced to a dry mass of gravel.Putnams Mag., iii. 258 (March).
1869. Crossing an arroya, or dry bed of a creek, near the bottom of the mesa, and passing through some dense thickets of mesquit and ocochilla, the struggling family found themselves at the foot of a rocky bluff more difficult of ascent than any they had yet attempted.J. Ross Browne, Adventures in the Apache Country, p. 90.