from The Century Dictionary and Cyclopedia
- n. A sloping surface of sand spread out by an intermittent stream or flood.
Sorry, no etymologies found.
Toward morning he stopped at a sand-wash where three or four dusty cottonwoods relieved the vegetation of mesquite, palo verde, and cacti.
The sand-wash seemed to have been deflected by the projecting mass of a heap of driftwood which I now saw opposite to us, its long white arms reaching out toward those of our floating craft.