v & ·noun ·see molt.
2. moult ·noun the act or process of changing the feathers, hair, skin, ·etc.; molting.
3. moult ·vt to cast, as the hair, skin, feathers, or the like; to shed.
4. moult ·vt to shed or cast the hair, feathers, skin, horns, or the like, as an animal or a bird.