Rinse  —v. (-sing) (often foll. By through, out) 1 wash or treat with clean water etc. 2 wash lightly. 3 put (clothes etc.) Through clean water after washing. 4 (foll. By out, away) clear (impurities) by rinsing. —n. 1 rinsing (give it a rinse). 2 temporary hair tint (blue rinse). [french rincer]