Here you will find one or more explanations in English for the word Washout.
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Washout
Washout Wash"out`, n.
The washing out or away of earth, etc., especially of a
portion of the bed of a road or railroad by a fall of rain or
a freshet; also, a place, especially in the bed of a road or
railroad, where the earth has been washed away.
Meaning of Washout from wikipedia