washaway

1. (chiefly Australia) The washing away of earth, a road, structure etc. by flood, or the channel caused by this.Examples: "The first report of damage was received at 5.45 a.m. on Monday, July 30, when there was a slight washaway of the bank on the down side of the line two miles north of Daviot station, and subsequently further damage was reported between Inverness and Daviot. Shortly afterwards, a washaway occurred on the line between Dunphail and Dava, and this route was closed to all traffic from 10.30 a.m. until 3.30 p.m."; "It was the giddy sight down the gullies below the twisting road which had been formed and re-formed from years of washaways, and now hung like fish gills, out over edges of the limestone substrata."Synonyms: washoutAustralia