'Ichthyosis' definitions:

Definition of 'ichthyosis'

From: WordNet
noun
Any of several congenital diseases in which the skin is dry and scaly like a fish

Definition of 'Ichthyosis'

From: GCIDE
  • Ichthyosis \Ich`thy*o"sis\, n. [NL., fr. Gr. 'ichqy`s fish.] (Med.) A disease in which the skin is thick, rough, and scaly; -- called also fishskin. -- {Ich`thy*ot"ic}, a. [1913 Webster]