What is "uncrinkle"

Usage examples of "uncrinkle".

With no pomp whatsoever, the clerk jerked her thumb under the wax and snapped the seal, uncrinkled the parch­ment, and read for a long time.

Her wings uncrinkled a bit, strained to open, then settled back and folded into place.

Idrys jumped slightly as a dozen long tiny vines exploded outward and filled the air in front of t’Cael, wet new leaves uncrinkling with what actually appeared to be joy.