Source : Webster's Revised Unabridged Dictionary (1913)

Desquamate \Des"qua*mate\, v. i. [L. desquamatus, p. p. of
   desquamare to scale off; de- + squama scale.] (Med.)
   To peel off in the form of scales; to scale off, as the skin
   in certain diseases.

Source : WordNet®

desquamate
     v : peel off in scales; "dry skin desquamates" [syn: {peel off}]