'Wash' in the Bible

I will wash my hands in innocency: So will I compass thine altar, O Jehovah;

Wash me thoroughly from mine iniquity, And cleanse me from my sin.

Purify me with hyssop, and I shall be clean: Wash me, and I shall be whiter than snow.

The righteous shall rejoice when he seeth the vengeance: He shall wash his feet in the blood of the wicked;