be carried somewhere by water or as if by water; "The body washed up on the beach"
If you wash up, you wash the plates, cups, cutlery, and pans which have been used for cooking and eating a meal. I ran some hot water and washed up I bet you make breakfast and wash up their plates, too
If you wash up, you clean part of your body with soap and water, especially your hands and face. He headed to the bathroom to wash up
If something is washed up on a piece of land, it is carried by a river or sea and left there. Thousands of herring and crab are washed up on the beaches during every storm The fossils appear to be an early form of seaweed washed up on a beach. see also washed up, washing-up