D defs.my
Entry 2 senses Webster, 1913

Crispation

/(kr?s-p?"sh?n)/ · Cris·pa·tion · IPA
01 n. The act or process of curling, or the state of being curled.
  1. 1.
    The act or process of curling, or the state of being curled.
  2. 2.
    A very slight convulsive or spasmodic contraction of certain muscles, external or internal.
    “Few men can look down from a great height without creepings and crispations.” — O. W. Holmes.