or chiefly Brit  moult  vi :  to shed hair, feathers, shell, horns, or an outer layer periodically vt  :  to cast off (an outer covering) periodically : specif  :  to throw off (the old cuticle) - used of arthropods
or chiefly Brit  moult  n :  the act or process of molting : specif  :  ECDYSIS .
 
 
 
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