corrugate

To wrinkle (the skin).

The latter we have given, extend their Influences to the Head and whole nervous System, at the same time that they warm, comfort, and strengthen the Fibres of the Stomach, and dissipate Flatulencies, corrugate the Membranes, and promote Digestion: […]

To fold into parallel folds, grooves or ridges.

Galvanised rust-resistant weatherproof corrugated sheet roof

Corrugated, wrinkled, crumpled, furrowed.