"moult" in the noun sense
1. molt, molting, moult, moulting, ecdysis
periodic shedding of the cuticle in arthropods or the outer skin in reptiles
"moult" in the verb sense
1. shed, molt, exuviate, moult, slough
cast off hair, skin, horn, or feathers
"our dog sheds every Spring"
Source: WordNet® (An amazing lexical database of English)
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