Definitions for "Rejuvenate"
To render young again.
to restore to youthful vigor or appearance; make young again.
cause (a stream or river) to erode, as by an uplift of the land
The process of flaking in such a way that further reduction is possible or is easier. This usually involves removing unwanted features, such as step terminations, or making unsuitable characteristics more favorable, for example changing the platform angle.