exuviate

/ɪɡˈzuːvieɪt/
verb
  1. To shed or cast off an outer covering, such as skin, shell, or exoskeleton.
    • Cicadas exuviate their nymphal shells as they become adults.
    • The crab will exuviate its old shell to allow for growth.
    • The snake exuviates its skin several times a year.
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