Source : Webster's Revised Unabridged Dictionary (1913)

Crisp \Crisp\, v. t. [imp. & p. p. {Crisped} (kr?spt); p. pr. &
   vb. n. {Crisping}.] [L. crispare, fr. crispus. See {Crisp}.
   a. ]
   1. To curl; to form into ringlets, as hair, or the nap of
      cloth; to interweave, as the branches of trees.

   2. To cause to undulate irregularly, as crape or water; to
      wrinkle; to cause to ripple. Cf. {Crimp}.

            The lover with the myrtle sprays Adorns his crisped
            tresses.                              --Drayton.

            Along the crisped shades and bowers.  --Milton.

            The crisped brooks, Rolling on orient pearl and
            sands of gold.                        --Milton.

   3. To make crisp or brittle, as in cooking.

   {Crisping iron}, an instrument by which hair or any textile
      fabric is crisped.

   {Crisping pin}, the simplest form of crisping iron. --Is.
      iii. 22.