pa. pple. and ppl. a. Drenched with water; swept, flushed or inundated by running water.
1856. Kane, Arct. Expl., II. xv. 157. Rounded fragments of water-washed greenstone.
1860. Tristram, Gt. Sahara, v. 89. All these apparently ancient sea-beaches show traces of having been waterwashed only on their north sides.
1883. G. C. Davies, Norfolk Broads, ii. 13. The reed-covered water-washed bank.