e­roo­si­on ai­heut­ta­ma u­rasubstantiivi

1. 1.veden aiheuttaman eroosion synnyttämä uoma tai halkeama pehmeässä maaperässä

1. 1.the channel or break produced by erosion of relatively soft soil by water; "it was several days after the storm before they could repair the washout and open the road"

Hierarkia