v.move out of a curled position

"He uncurled himself"

Uncurling the Spine
Nature Ramblings: Uncurling Ferns
Nail complication to cream for uncurling hair
Device for coating and uncurling a photographic print
An investigation of the uncurling forces of indwelling catheters
Image forming apparatus and uncurling device for image forming apparatus
Method and apparatus for uncurling the edges of a textile sheet-like material
Blowing device on a sewing machine for uncurling the edge of sewing material
Uncurling the Fiddlehead: A quest for Female Expression and Identity in Poetry--Elizabeth Barrett Browning, Emily Dickinson, Sylvia ...
Cosmetic composition, useful as a fixative to attain permanent setting and uncurling of keratinous fibers, comprises association of ...