To draw, or be drawn, into wrinkles; to shrink, and form corrugations; as, a leaf shriveles in the hot sun; the skin shrivels with age; -- often with up.

To cause to shrivel or contract; to cause to shrink onto corruptions.

Shrivelling is a natural phenomenon where an object, with an attached sub-elastic covering, has its interior volume reduced in some way. The covering, which cannot contract any further, is then obliged to wrinkle and buckle, in order to preserve surface area while containing the lesser volume.

decrease in size, range, or extent; "His earnings shrank"; "My courage shrivelled when I saw the task before me"

wither, especially with a loss of moisture; "The fruit dried and shriveled"