2 definitions
for Ichthyosis
From The Collaborative International Dictionary of English v.0.48 :
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]
From WordNet (r) 2.0 :
ichthyosis
n : any of several congenital diseases in which the skin is
fishlike (dry and scaly)