1) Cast 2) Cast off 3) Drop 4) Molt 5) Moult 6) Shake off 7) Shed 8) Slough 9) Throw 10) Throw away 11) Throw off 12) To molt 13) To slough 1) Desquamate 2) Molt 
to cast off or shed
• (v. i.) To shed an old covering or condition preliminary to taking on a new one; to molt.
Ex·u'vi·ate intransitive verb [ imperfect & past participle Exuviated , present participle & verbal noun Exuviating .] [ From Exuviae .] (Zoology) To shed an old covering or condition preliminary to taking on a new one; to...
to cast off or shed (exuviae); molt.