noun
- channels or gullies formed by rainwater erosion
Usage: geology
verb
- erodes or washes away by the action of rain
Examples
- The hillside was scarred by deep rainwashes after the storm.
- Heavy rainfall created new rainwashes down the slope.
- The soil rainwashes easily during the monsoon season.
- Engineers studied the rainwashes to prevent further erosion.
- Water rainwashes the topsoil into the valley below.