Periodic shedding of the cuticle in arthropods or the outer skin in reptiles WordNet 3.0 & Open English WordNet

Ecdysis is the moulting of the cuticle in many invertebrates of the clade Ecdysozoa. Wikipedia

In biology, moulting, or molting, also known as sloughing, shedding, or in many invertebrates, ecdysis, is a process by which an animal casts off parts of its body to serve some beneficial purpose, either at specific times of the year, or at specific points in its life cycle. Wikipedia

Moulting of the exoskeleton in arthropods and other animals. Wikipedia Disambiguation

Manner in which an animal routinely casts off a part of its body. Wikipedia Disambiguation

Shedding of the exoskeleton in arthropods and other invertebrates Wikidata

Process of replacing old feathers with new ones Wikidata

The shedding of an outer layer of skin in snakes and certain other animals; moulting. Wiktionary

The skin or feathers cast off during the process of moulting. Wiktionary

Skin or feathers cast off. Wiktionary (translation)

A moult; the shedding of skin, feathers, etc. Wiktionary