'Bathing' in the Bible

and it cometh to pass, at evening-time, that David riseth from off his couch, and walketh up and down on the roof of the king's house, and seeth from the roof a woman bathing, and the woman is of very good appearance,

that he might sanctify it, having cleansed it with the bathing of the water in the saying,

(not by works that are in righteousness that we did but according to His kindness,) He did save us, through a bathing of regeneration, and a renewing of the Holy Spirit,