'Washing' in the Bible

"For you set aside the commandment of God, and hold tightly to the tradition of men -- the washing of pitchers and cups, and you do many other such things."

He saw two boats standing by the lake, but the fishermen had gone out of them, and were washing their nets.

that he might sanctify it, having cleansed it by the washing of water with the word,

not by works of righteousness, which we did ourselves, but according to his mercy, he saved us, through the washing of regeneration and renewing by the Holy Spirit,