The Collaborative International Dictionary
Exuviating
Exuviate \Ex*u"vi*ate\, v. i. [imp. & p. p. Exuviated, p. pr. & vb. n. Exuviating.][From Exuviae.] (Zo["o]l.) To she [1913 Webster]d an old covering or condition preliminary to taking on a new one; to molt.
There is reason to suppose that very old crayfish do
not exuviate every year.
--Huxley.
Wiktionary
exuviating
vb. (present participle of exuviate English)