Definition of moults:
(v) :
(intransitive) To shed or lose a covering of hair or fur, feathers, skin, horns, etc, and replace it with a fresh one.
(n) :
The process of shedding or losing a covering of fur, feathers or skin etc.
(n) :
The skin or feathers cast off during the process of moulting.
(v) :
(transitive) To shed in such a manner.
(n) :
A surname.