- 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' (Princeton's WordNet)
1 . washout
[ n]
Meaning (1): - the erosive process of washing away soil or gravel by water (as from a roadway)
Example in sentence:
from the house they watched the washout of their newly seeded lawn by the water
Meaning (2): - the channel or break produced by erosion of relatively soft soil by water
Example in sentence:
it was several days after the storm before they could repair the washout and open the road