exuviate

Ex*u"vi*ate, v. i. [imp. & p. p. Exuviated, p. pr. & vb. n. Exuviating.] ( Etym: [From Exuviae.] (Zoöl.) Defn: To shed 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.

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